Every problem in mathematics is a puzzle waiting to be solved, and the joy is in the solving.
数学中的每个问题都是一个等待解决的谜题，而乐趣就在于解决的过程。
The best decisions are made when you listen to all perspectives before acting.
Stay hungry for knowledge, and you’ll never run out of opportunities.
The real opposition is that between the ego-bound man, whose existence is structured by the principle of having, and the free man, whose existence is structured by the principle of being.
记忆是个骗子，总是在重写过去。