In brief, the whole world is the totality of mathematically expressible motions of objects in space and time, and the entire universe is a great, harmonious, and mathematically designed machine.

The writing in mathematics text is not only laconic to a fault; it is cold, monotonous, dry, dull, and even ungrammatical... The books are not only printed by machines; they are written by machines.

Statistics: the mathematical theory of ignorance.

Universities hire professors the way some men choose wives - they want the ones the others will admire.

A elegantly executed proof is a poem in all but the form in which it is written.

Actually, most mathematics courses do not teach reasoning of any kind. Students are so baffled by the material that they are obliged to memorize in order to pass examinations.

Mathematicians create by acts of insights and intuition. Logic then sanctions the conquests of intuition.

Psychologically, the teaching of abstractions first is wrong. Indeed, a thorough understanding of the concrete must precede the abstract.

There is no rigorous definition of rigor.

A proof tells us where to concentrate our doubts.

Mathematics is a body of knowledge, but it contains no truths.

Accept criticism. If you do not offer your work for criticism and accept that criticism, meaning give it serious thought and attention, then you will never improve.

Just know that I always have, and always will really love you, Lisa. Baby or no baby. Past or no past. I loved you then and I love you now.

"Global culture" is of course not a culture: it's the global marketing and imposing of commodities and images for the interests of the few at the expense of the many.

As climbers, we need to learn to be good stewards of the land and take care of these places where we are spending so much time.

I am confident that we will find evidence that makes it clear he had weapons of mass destruction.

There's enough hate in the world. I command you to love. And you have to make an effort.

Everything I do, I do infinite percent.

Happiness is what you choose to remember.

It was easier to ask for forgiveness than permission?