Theory may be deliberate, as in a chapter on chemistry, or it may be second nature, as in the immemorial doctrine of ordinary enduring middle-sized physical objects.

To be is to be the value of a variable.

Yields falsehood when preceded by its quotation.

Irrefragability, thy name is mathematics.

Science is not a substitute for common sense, but an extension of it.

We do not learn first what to talk about and then what to say about it.

Creatures inveterately wrong in their inductions have a pathetic but praise-worthy tendency to die before reproducing their kind.

I have been accused of denying consciousness but I am not conscious of having done so.

Confusion of sign and object is original sin coeval with the word.

One man's antinomy is another man's falsidical paradox, give or take a couple of thousand years.

The scientist is indistinguishable from the common man in his sense of evidence, except that the scientist is more careful.

Whatever belief that doesn't make you happier, stronger, healthier or wiser, surely doesn't deserve to be sheltered in your mind.

Every human being is been given some assignment on the earth

You must excuse my gruff conduct, ” the watchdog said, after they’d been driving for some time, “but you see it’s traditional for watchdogs to be ferocious.

I decided to make my living as a magazine writer. And I found that it was really easy and fun.

Let us make war on the phrase 'violence doesn't solve anything.' It is a lie, and anyone who utters it cannot be taken morally seriously.

As an artist, you can never get what you want. What you do never approaches what you want it to be.

Although the term dialogue was really a euphemism for scientists trying to kill each other, this format worked very well.

we shall know that we have begun to speak true by an increased hunger for true-speaking; we shall have the whole hunger only after we have given ourselves the first taste of it.

I never get too high on my stardom or what I can do.

... No one "gets away" with evil. Judgment always comes, only the timing is uncertain.