死亡很可能是唯一的、最好的生命创造。它是生命的促变者。它送走老一代，给新一代开出道路。

"Hope is the thing with feathers that perches in the soul, and sings the tune without the words, and never stops at all."

世界是一块画布，我们每个人都是自己方式的艺术家。

你越努力，就越幸运。

And when your sorrow is comforted time soothes all sorrows you will be content that you have known me. You will always be my friend. You will want to laugh with me. And you will sometimes open your window, so, for that pleasure…

I am not a hero of mathematics. I'm not even that successful; that is why I don't want to have everybody looking at me.