保持渴望，保持愚钝，但最重要的是保持谦逊。
性格软弱，至多只能做到不犯罪恶，如果还要侈谈高尚的美德，那就是狂妄和大胆了。
我不认为每个人都应该成为数学家，但我确实相信许多学生没有给数学一个真正的机会。
Don't be afraid of failure, failure is the necessary path to success.
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.
"The task of the writer is to make the invisible visible."
Kindness can be a revolutionary act in a world that often rewards selfishness.
The truth is rarely pure and never simple.