The problem of distinguishing prime numbers from composite numbers and of resolving the latter into their prime factors is known to be one of the most important and useful in arithmetic.

It is not knowledge, but the act of learning, not possession but the act of getting there, which grants the greatest enjoyment.

Life stands before me like an eternal spring with new and brilliant clothes.

You know that I write slowly. This is chiefly because I am never satisfied until I have said as much as possible in a few words, and writing briefly takes far more time than writing at length.

Theory attracts practice as the magnet attracts iron.

You have no idea, how much poetry there is in the calculation of a table of logarithms!

There have been only three epoch-making mathematicians, Archimedes, Newton, and Eisenstein.

We must admit with humility that, while number is purely a product of our minds, space has a reality outside our minds, so that we cannot completely prescribe its properties a priori.

If others would but reflect on mathematical truths as deeply and as continuously as I have, they would make my discoveries.

Mathematicians stand on each other's shoulders.

I have had my results for a long time: but I do not yet know how I am to arrive at them.

Theology is like assuming that there is a black cat in a dark room where in fact there is no black cat, and endeavoring to study the cat's properties and how it may have evolved from its ancestors.

nothing ventured, nothing gained.

Love is a skill you learn.

I'm a pretty normal guy. I do one weird thing. I like to go in the women's room for number two. I've been caught several times and I have paid dearly.

When I realized, "Hm, I'm not that good at all. It will take me weeks, maybe months, to master the 32 yolks." When I did, it was a turning point in my career.

Some countries of Europe have to free themselves from the US Empire. They are not going to frighten us because we are a people with dignity and sovereignty.

It may be that the most interesting American struggle is the struggle to set oneself free from the limits one is born to, and then to learn something of the value of those limits

I come from a sports family and my husband is a rugby player.

If anyone had told me in the '60s that 20 years later we'd still be talking about whether pot was worse than this or that, I'd have said, Oh, come off it, boys.

There's a huge difference between achieving to be happy and happily achieving.