质量不是一种行为，而是一种习惯。

世界充满了故事，每一个故事都是通向不同现实的窗口。

You are not the opinion of somebody who doesn’t know you or care about you.

Every decision we make today shapes the world we will live in tomorrow.

Life can only be understood backwards; but it must be lived forwards.

To accomplish great things, we must not only act, but also dream; not only plan, but also believe.

A law of nature， lex naturalis， is a precept or general rule found out by reason， by which a man is forbidden to do that which is destructive of his life or takes away the means of preserving the same.

The world is full of signs and wonders, but we are blind to them.