Society can and does execute its own mandates， and if it issues wrong mandates instead of right， or any mandates at all in things with which it ought not to meddle， it practices a social tyranny more formidable than many kinds of political oppression， since， though not usually upheld by such extreme penalties， it leaves fewer means of escape， penetrating much more deeply into the details of life， and enslaving the soul itself.

The weight of evidence for an extraordinary claim must be proportioned to its strangeness.

客户满意是我们公司最好的广告。

Over the piano was printed a notice: Please do not shoot the pianist. He is doing his best.

The past does not equal the future.

最难坦白的不是犯罪的事情，而是荒谬和可耻的事情。

I hope that in this year to come, you make mistakes. Because if you are making mistakes, then you are making new things, trying new things, learning, living, pushing yourself, changing yourself, changing your world. You're doing things you've never done before, and more importantly, you're doing something.