The only philosophy which can be responsibly practiced in face of despair is the attempt to contemplate all things as they would present themselves from the standpoint of redemption.

有时你建起心墙并非为了远离人群，而是为了看清谁在乎去推倒它。

That is what learning is. You suddenly understand something you've understood all your life, but in a new way.

我不是一个完美的人，我从来没有声称过。但我每天都在努力变得比昨天更好。

"The past is always with us, for it feeds the present."

发现的喜悦是推动数学家前进的动力。