"Yes, we have to divide up our time like that, between our politics and our equations. But to me our equations are far more important, for politics --

--are only a matter of present concern. A mathematical equation stands forever."

"As far as the laws of mathematics refer to reality, they are not certain, as far as they are certain, they do not refer to reality."

"Do not worry about your difficulties in Mathematics. I can assure you mine are still greater."

"God does not care about our mathematical difficulties. He integrates empirically."