数学家研究纯数学不是因为它有用；他研究它是因为他喜欢它，他喜欢它是因为它美丽。

释义：兰花生长在深谷，不会因为无人佩戴就不散发芬芳。

Writing is a way of talking without being interrupted.

We may encounter many defeats but we must not be defeated.

Home is not where you are born; home is where all your attempts to escape cease.

Happiness is not something ready made. It comes from your own actions.

I was born with an enormous need for affection, and a terrible need to give it.

The only lies for which we are truly punished are those we tell ourselves.