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

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

Physics is much too hard for physicists.

As long as a branch of science offers an abundance of problems, so long it is alive; a lack of problems foreshadows extinction or the cessation of independent development.

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

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!"

We do not master a scientific theory until we have shelled and completely prised free its mathematical kernel.