The forest doesn't belong to us; we belong to the forest.
Self-love, then, is a necessary principle of action.
如果人们不相信数学是简单的,那只是因为他们没有意识到生活有多么复杂。
"Every saint has a past, and every sinner has a future."
最重要的是有一个明确的目标并坚持下去。