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

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.

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.

It is within science itself, and not in some prior philosophy, that reality is to be identified and described.

We cannot change the cards we are dealt, just how we play the hand.

It is hard to imagine the things you have never seen.

Beauty is truth - truth beauty - that is all Ye know on earth and all ye need to know.

If we wish to count lines of code, we should not regard them as "lines produced" but as "lines spent."

To make a man happy, fill his hands with work.

In any group there is more or less tension between people, and there are complicities and affinities.

Today President Obama gave a major speech where he defended his handling of the economy. And there were tons of people in the audience, you know, since nobody had to be at work.

The man who accepts the laissez-faire doctrine would allow his garden to grow wild so that roses might fight it out with the weeds and the fittest might survive.

People avenge themselves for the favors done them.

Some men see mountains as obstacles. Others as a canvas.