Mathematics is not a spectator sport.
梦想远大,从小事做起,但最重要的是开始行动。
The greatest weapon against stress is our ability to choose one thought over another.
如果你做了一次,人们会称之为意外。如果你做了两次,他们会称之为巧合。但如果你做了三次,你就证明了一个自然法则。
In mathematics, the art of proposing a question must be held of higher value than solving it.