我对任何人的赞美或责备都不在意，我只是跟随自己的感觉。
最危险的浪费是我们没有意识到的浪费。
No artist is ahead of his time. He is his time. It is just that others are behind the times.
Mathematics knows no races or geographic boundaries; for mathematics, the cultural world is one country.
Quality is not an act, it is a habit.
和一个人玩一个小时对他的了解，胜过于一年的对谈。
世界上一半的人有话要说却不能说，另一半无话可说却不停地说。