I did not hear what you said, but I absolutely disagree with you.

The moving power of mathematical invention is not reasoning but imagination.

I was x years old in the year x2.

Wrong hypotheses, rightly worked from, have produced more useful results than unguided observations.

But the gambling reasoner is incorrigible: if he would but take to squaring the circle, what a load of misery would be saved.

Mathematicians care no more for logic than logicians for mathematics.

I don't quite hear what you say, but I beg to differ entirely with you.

It should seem that it is easier to square the circle than to get round a mathematician.

Common integration is only the memory of differentiation.

The sacred writings excepted, no Greek has been so much read and so variously translated as Euclid.

As to writing another book on geometry [to replace Euclid] the middle ages would have as soon thought of composing another New Testament.

Make it a habit to ask for business referrals. There's nothing pushy about it. People won't give you referrals unless you deserve them.

Real optimism is not the pep talk you give yourself. It is earned through the labor involved in emotional housekeeping.

Males do not represent two discrete populations, heterosexual and homosexual. The world is not to be divided into sheeps and goats. Not all things are black nor all things white.

You're only as strong as your weakest link so you've got to make sure everybody in your crew is on point.

I do always know where I'm going in my books. I know the endpoint. I've written only two thousand words of my next novel but I know what the ending will be already.

One of the most tragic things about slavery was the mental enslavement, the way they made us believe that we were worth nothing; and that's what she's fighting against.

Ah, I am thinking people put more in their prayers than was ever put in them by God.

Cravings are not about food. Cravings are about stress.

I am, and have always been, a pornographic angel.

My emotional and intellectual response to Hiroshima was that the question of the social responsibility of a journalist was posed with greater urgency than ever.