If one must choose between rigour and meaning, I shall unhesitatingly choose the latter.

Topology is precisely the mathematical discipline that allows the passage from local to global.

I believe that proving is not a natural activity for mathematicians.

Quantum mechanics, with its leap into statistics, has been a mere palliative for our ignorance

The importance of the "New Mathematics" lies mainly in the fact that it has taught us the difference between the disc and the circle.

At a time when so many scholars in the world are calculating, is it not desirable that some, who can, dream ?

The world of ideas is not revealed to us in one stroke; we must both permanently and unceasingly recreate it in our consciousness.

Algebra is rich in structure but weak in meaning.

Few things are more deceptive than memories.

Don’t try to control yourself, just learn to monitor your thoughts.

...since I realized that he (Picasso) lived in a self-enclosed world and that his solitude was therefore total, I wanted to explore my own solitude.

It's not supposed to be easy. It's not supposed to be driving down the interstate.

The contemporary church is so often a weak, ineffectual voice with an uncertain sound. It is so often the arch supporter of the status quo.

One must be brave if one is to take the wheel.

I was in the oil business for a while--gas and oil, check the tires.

Then your heart is a black, shriveled thing, because you absoluteky betray me.

Effort is the siamese twin of success

A photographer doesn't just copy reality, but communicates to others what he or she experiences.