Leaders must have the courage to make tough decisions today for a better tomorrow.

"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."

每一个词都是选择，而每一个选择都是牺牲。

我不是那种会逃避挑战的人。

Life is short. Stunt it.

数学是过去与现在之间的对话。