你不能只是坐在那里等待别人给你那个金色的梦想。你必须走出去,为自己实现它。
There is no reason why good cannot triumph as often as evil. The triumph of anything is a matter of organization.
I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics.
观察他交往的是什么人,就能知道他的品行如何。