According to recent studies, at least one star out of three is multiple.

Knowing what is big and what is small is more important than being able to solve partial differential equations.

Whatever is worth saying, can be stated in fifty words or less.

I am turned off when I see only formulas and symbols, and little text.

It is still an unending source of surprise for me how a few scribbles on a blackboard or on a piece of paper can change the course of human affairs.

Thoughts are steered in different ways.

The infinite we shall do right away. The finite may take a little longer.

The mathematicians know a great deal about very little and the physicists very little about a great deal.

It is most important in creative science not to give up. If you are an optimist you will be willing to "try" more than if you are a pessimist.

What exactly is mathematics? Many have tried but nobody has really succeeded in defining mathematics; it is always something else.

Do not lose your faith. A mighty fortress is our mathematics. Mathematics will rise to the challenge, as it always has.

Every work is challenging if you want to do it perfectly !!

Children wear their natures like brightly-colored clothes

For purposes of action nothing is more useful than narrowness of thought combined with energy of will.

Man seeks to change the foods available in nature to suit his tastes, thereby putting an end to the very essence of life contained in them.

If I get invited somewhere I can never usually say no. And then I don't leave until I'm asked to.

Cabbages, whose heads, tightly folded see and hear nothing of this world, dreaming only on the yellow and green magnificence that is hardening within them.

There is no belittling worse than to over praise a man.

Sooner or later, everyone has to meet his match.

The people whom the sons and daughters find it hardest to understand are the fathers and mothers, but young people can get on very well with the grandfathers and grandmothers.

Trusting your energy policy to the fossil fuel lobby is like trusting your health care system to the tobacco lobby.