我们今天种植的每一棵树都是留给后代的遗产。

"The world is indeed full of peril, and in it there are many dark places; but still there is much that is fair, and though in all lands love is now mingled with grief, it grows perhaps the greater."

I don't believe in luck. I believe in hard work.

如果不符合现实，最优雅的理论也是无用的。