A dreamer is one who can only find his way by moonlight, and his punishment is that he sees the dawn before the rest of the world.
The truth is a light that shines in the darkness.
Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.
“等着吧,你要下地狱的。”“笑话,我都在地狱里了,还怎么下啊。”