Common integration is only the memory of differentiation.

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

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

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.

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.

It's simpler to believe in a miracle.

Fear isn't what scares, it's reality that does scare

The people of the Middle East share the desire for freedom. We have an opportunity - and an obligation - to help them turn this desire into reality.

Truth is strong enough to overcome all human sophistries.

Unnatural to expect that learning to be happy should be any easier than, say, learning to play the violin or require any less practice.

Play off your great player... great teams have a go-to player and they play off of him.

I just like a good story. I want the story to be good and I want the character to be different than the last one I played. That's not always possible, but that's what I want.

Scientific studies about relationships fascinate me, and I devour them hungrily, especially when they give big, fancy-sounding names to everyday experiences.

I have no control over a film. I don't know what will be left on the cutting floor.

It's rather mystifying when you think about writing songs - where they come from, and how they're born.