To write is to fight against silence and forgetting.
The architect must be a prophet... a prophet in the true sense of the term... if he can't see at least ten years ahead don't call him an architect.
You will never reach your destination if you stop and throw stones at every dog that barks.
成功的关键在于坚持和努力。
在数学中,最简单的问题往往能引出最深刻的见解。