我认为数学之所以有价值,是因为它具有这种令人难以置信的结构,你可以探索和发现。
It is a first principle of human action that a man does what he believes will satisfy his desires.
Simple things should be simple, complex things should be possible.
Where I am, I don't know, I'll never know, in the silence you don't know, you must go on, I can't go on, I'll go on.