There is no such thing as great wisdom in the world, just as there is no such thing as talent. What exists is triviality. If you keep doing repetitive things, you become an expert; if you do repetitive things with special focus, you become a master.
生命太短暂，不要把时间浪费在不尊重你的人身上。
The most profound discoveries in mathematics often come from questioning the most basic assumptions.
Sometimes the simplest songs are the hardest to write.
The price of freedom is the willingness to do sudden battle, anywhere, at any time, and with utter recklessness.
Everything can be taken from a man but one thing: the last of the human freedoms—to choose one's attitude in any given set of circumstances.