Out yonder there is this huge world, which exists independently of us human beings and which stands before us like a great, eternal riddle, at least partially accessible to our inspection and thinking

One should not pursue goals that are easily achieved. One must develop an instinct for what one can just barely achieve through one’s greatest efforts.

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

It's not that I'm so smart.

Every age has its beautiful moments.

I am satisfied with the mystery of the eternity of life.

Common sense needs constant reappraisal.