The art of doing mathematics consists in finding that special case which contains all the germs of generality.

Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.

Sometimes it happens that a man's circle of horizon becomes smaller and smaller, and as the radius approaches zero it concentrates on one point. And then that becomes his point of view.

Mathematics is a game played according to certain simple rules with meaningless marks on paper.

Some people have got a mental horizon of radius zero and call it their point of view.

If I were to awaken after having slept for a thousand years, my first question would be: Has the Riemann hypothesis been proven?

Begin with the simplest examples.

For us there is no ignorabimus, and in my opinion none whatever in natural science. In opposition to the foolish ignorabimus our slogan shall be: "We must know - we will know!"

If one were to bring ten of the wisest men in the world together and ask them what was the most stupid thing in existence, they would not be able to discover anything so stupid as astrology.

Physics is becoming too difficult for the physicists.

He who seeks for methods without having a definite problem in mind seeks in the most part in vain.

To solve a problem, you need to remove the cause, not the symptom.

I can't change the direction of the wind, but I can adjust my sails to always reach my destination.

A self-willed man has no other aim than his own growth.

The fabulous places I've been, wonderful things that've happened, great people I've met ought to make a story.

Lost my ideals in that tunnel of time.

How many more people have to die or be afraid or be injured in Chelsea, New York, Erin, for us to wake up?

One detects creative power by its capacity to conquer one's detachment.

You cannot separate art from life or spirituality. They are bound together in a single unit.

You can't spell squirrel without si, and that's me.

When you are out observing on the gemba, do something to help them. If you do, people will come to expect that you can help them and will look forward to seeing you again on the gemba.