Physics is becoming too difficult for the physicists.

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

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

Physics is much too hard for physicists.

[On Cantor's work:] The finest product of mathematical genius and one of the supreme achievements of purely intellectual human activity.

I do not see that the sex of the candidate is an argument against her admission as a Privatdozent. After all, the Senate is not a bathhouse. Objecting to sex discrimination being the reason for rejection of Emmy Noether's application to join the faculty at the University of Gottingen.

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.