生命太短暂，不要在早晨醒来时带着遗憾。
Life is too short to wake up in the morning with regrets.
每一个优秀的数学家至少是半个哲学家，而每一个优秀的哲学家至少是半个数学家。
When you're young you think you're going to have lots of friends. But as you get older, you realize you can count them on one hand.
革命就像骑自行车，如果不前进就会倒下。