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Appendix – Various Quotes on Free Thinking, Religion, and Science

The trouble with the world is that the stupid are cocksure and the intelligent are full of doubt.
- Bertrand Russell

Many people would sooner die than think; in fact, they do so.
- Bertrand Russell

I am free because I know that I alone am morally responsible for everything I do.
- Robert A. Heinlein

The only problem with being the unfashionable atheist is that if we are right we never get the chance so say 'told you so'!
- Anonymous

For me it is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring.
- Carl Sagan

If God made us in His image we have certainly returned the compliment.
- Voltaire

Faith is believing what you know ain't so.
- Mark Twain

I contend we are both atheists, I just believe in one fewer god than you do. When you understand why you dismiss all the other possible gods, you will understand why I dismiss yours.
- Stephen F. Roberts

The fact that a believer is happier than a sceptic is no more to the point than the fact that a drunken man is happier than a sober one. The happiness of credulity is a cheap and dangerous quality.
- George Bernard Shaw

Reality is that which, when you stop believing in it, does not go away.
- Philip K. Dick

The cure for a fallacious argument is a better argument, not the suppression of ideas.
- Carl Sagan

Be thankful that you have a life, and forsake your vain and presumptuous desire for a second one.
- Richard Dawkins

I distrust those people who know so well what God wants them to do because I notice it always coincides with their own desires.
- Susan B. Anthony

It ain’t the parts of the Bible that I can’t understand that bother me, it is the parts that I do understand.
- Mark Twain

I do not fear death, in view of the fact that I had been dead for billions and billions of years before I was born, and had not suffered the slightest inconvenience from it.
- Anonymous (though often credited apocryphally to Mark Twain)

I'm not afraid of death. It's the stake one puts up in order to play the game of life.
- Jean Giraudoux

Pray: To ask that the laws of the universe be annulled in behalf of a single petitioner confessedly unworthy.
- Ambrose Bierce

You can know the name of a bird in all the languages of the world, but when you're finished, you'll know absolutely nothing whatever about the bird... So let's look at the bird and see what it's doing — that's what counts. I learned very early the difference between knowing the name of something and knowing something.
- Richard Feynman

The worthwhile problems are the ones you can really solve or help solve, the ones you can really contribute something to. ... No problem is too small or too trivial if we can really do something about it.
- Richard Feynman

To those who do not know mathematics it is difficult to get across a real feeling as to the beauty, the deepest beauty, of nature ... If you want to learn about nature, to appreciate nature, it is necessary to understand the language that she speaks in.
- Richard Feynman

It doesn't seem to me that this fantastically marvelous universe, this tremendous range of time and space and different kinds of animals, and all the different planets, and all these atoms with all their motions, and so on, all this complicated thing can merely be a stage so that God can watch human beings struggle for good and evil — which is the view that religion has. The stage is too big for the drama.
- Richard Feynman

Our imagination is stretched to the utmost, not, as in fiction, to imagine things which are not really there, but just to comprehend those things which are there.
- Richard Feynman

For a successful technology, reality must take precedence over public relations, for nature cannot be fooled.
- Richard Feynman

God was invented to explain mystery. God is always invented to explain those things that you do not understand. Now, when you finally discover how something works, you get some laws which you're taking away from God; you don't need him anymore. But you need him for the other mysteries. So therefore you leave him to create the universe because we haven't figured that out yet; you need him for understanding those things which you don't believe the laws will explain, such as consciousness, or why you only live to a certain length of time — life and death — stuff like that. God is always associated with those things that you do not understand. Therefore I don't think that the laws can be considered to be like God because they have been figured out.
- Richard Feynman

Poets say science takes away from the beauty of the stars — mere globs of gas atoms. Nothing is "mere". I too can see the stars on a desert night, and feel them. But do I see less or more? The vastness of the heavens stretches my imagination — stuck on this carousel my little eye can catch one-million-year-old light. A vast pattern — of which I am a part... What is the pattern or the meaning or the why? It does not do harm to the mystery to know a little more about it. For far more marvelous is the truth than any artists of the past imagined it. Why do the poets of the present not speak of it? What men are poets who can speak of Jupiter if he were a man, but if he is an immense spinning sphere of methane and ammonia must be silent?
- Richard Feynman

...the "paradox" is only a conflict between reality and your feeling of what reality "ought to be."
- Richard Feynman

I have a friend who's an artist, and he sometimes takes a view which I don't agree with. He'll hold up a flower and say, "Look how beautiful it is," and I'll agree. But then he'll say, "I, as an artist, can see how beautiful a flower is. But you, as a scientist, take it all apart and it becomes dull." I think he's kind of nutty. [...] There are all kinds of interesting questions that come from a knowledge of science, which only adds to the excitement and mystery and awe of a flower. It only adds. I don't understand how it subtracts.
- Richard Feynman

Have no respect whatsoever for authority; forget who said it and instead look what he starts with, where he ends up, and ask yourself, "Is it reasonable?"
- Richard Feynman

We are at the very beginning of time for the human race. It is not unreasonable that we grapple with problems. But there are tens of thousands of years in the future. Our responsibility is to do what we can, learn what we can, improve the solutions, and pass them on.
- Richard Feynman

The fact that you are not sure means that it is possible that there is another way someday.
- Richard Feynman

I can live with doubt, and uncertainty, and not knowing. I think it's much more interesting to live not knowing than to have answers which might be wrong. I have approximate answers, and possible beliefs, and different degrees of certainty about different things, but I’m not absolutely sure of anything, and in many things I don’t know anything about, such as whether it means anything to ask why we’re here, and what the question might mean. I might think about a little, but if I can’t figure it out, then I go to something else. But I don’t have to know an answer. I don’t feel frightened by not knowing things, by being lost in a mysterious universe without having any purpose, which is the way it really is, as far as I can tell, possibly. It doesn’t frighten me.
- Richard Feynman

Science is a way of trying not to fool yourself. The first principle is that you must not fool yourself, and you are the easiest person to fool.
- Richard Feynman

Science is what we have learned about how not to fool ourselves about the way the world is.
- Richard Feynman

Science alone of all the subjects contains within itself the lesson of the danger of belief in the infallibility of the greatest teachers in the preceding generation ... Learn from science that you must doubt the experts. As a matter of fact, I can also define science another way: Science is the belief in the ignorance of experts.
- Richard Feynman

We absolutely must leave room for doubt or there is no progress and no learning. There is no learning without having to pose a question. And a question requires doubt. People search for certainty. But there is no certainty. People are terrified—how can you live and not know? It is not odd at all. You only think you know, as a matter of fact. And most of your actions are based on incomplete knowledge and you really don't know what it is all about, or what the purpose of the world is, or know a great deal of other things. It is possible to live and not know.
- Richard Feynman

Physics is like sex. Sure, it may give some practical results, but that's not why we do it.
- Richard Feynman

Religion is a culture of faith; science is a culture of doubt.
- Richard Feynman

You know, the most amazing thing happened to me tonight. I was coming here, on the way to the lecture, and I came in through the parking lot. And you won't believe what happened. I saw a car with the license plate ARW 357. Can you imagine? Of all the millions of license plates in the state, what was the chance that I would see that particular one tonight? Amazing!
- Richard Feynman

The fact that we live at the bottom of a deep gravity well, on the surface of a gas covered planet going around a nuclear fireball 90 million miles away and think this to be normal is obviously some indication of how skewed our perspective tends to be.
- Douglas Adams

A learning experience is one of those things that say, "You know that thing you just did? Don't do that.
- Douglas Adams

We don't have to save the world. The world is big enough to look after itself. What we have to be concerned about is whether or not the world we live in will be capable of sustaining us in it.
- Douglas Adams

Yes, it was an act of God. But which God?
- Douglas Adams

The great thing about being the only species that makes a distinction between right and wrong is that we can make up the rules for ourselves as we go along.
- Douglas Adams

Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so.
- Douglas Adams

The system of life on this planet is so astoundingly complex that it was a long time before man even realized that it was a system at all and that it wasn't something that was just there.
- Douglas Adams

All opinions are not equal. Some are a very great deal more robust, sophisticated and well supported in logic and argument than others.
- Douglas Adams

I'd take the awe of understanding over the awe of ignorance any day.
- Douglas Adams

Isn't it enough to see that a garden is beautiful without having to believe that there are fairies at the bottom of it too?
- Douglas Adams

He hoped and prayed that there wasn't an afterlife. Then he realized there was a contradiction involved here and merely hoped that there wasn't an afterlife.
- Douglas Adams

What to do if you find yourself stuck with no hope of rescue: Consider yourself lucky that life has been good to you so far. Alternatively, if life hasn't been good to you so far, which given your present circumstances seems more likely, consider yourself lucky that it won't be troubling you much longer.
- Douglas Adams

I may not have gone where I intended to go, but I think I have ended up where I needed to be.
- Douglas Adams

It is interesting to contemplate a tangled bank, clothed with many plants of many kinds, with birds singing on the bushes, with various insects flitting about, and with worms crawling through the damp earth, and to reflect that these elaborately constructed forms, so different from each other, and dependent upon each other in so complex a manner, have all been produced by laws acting around us. These laws, taken in the largest sense, being Growth with Reproduction; Inheritance which is almost implied by reproduction; Variability from the indirect and direct action of the conditions of life and from use and disuse: a Ratio of Increase so high as to lead to a Struggle for Life, and as a consequence to Natural Selection, entailing Divergence of Character and the Extinction of less-improved forms. Thus, from the war of nature, from famine and death, the most exalted object which we are capable of conceiving, namely, the production of the higher animals, directly follows. There is grandeur in this view of life, with its several powers, having been originally breathed into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being, evolved.
- Charles Darwin

The world is a thing of utter inordinate complexity and richness and strangeness that is absolutely awesome. I mean the idea that such complexity can arise not only out of such simplicity, but probably absolutely out of nothing, is the most fabulous extraordinary idea. And once you get some kind of inkling of how that might have happened, it's just wonderful. And . . . the opportunity to spend 70 or 80 years of your life in such a universe is time well spent as far as I am concerned.
- Douglas Adams