The strictness of Russian laws is softened by the non-obligatory nature of their execution.

If you just set out to be liked, you would be prepared to compromise on anything at any time, and you would achieve nothing.

We're not going to run out of ammunition.

I think people believe in heaven because they don’t like the idea of dying, because they want to carry on living and they don’t like the idea that other people will move into their house and put their things into the rubbish.

量子计算最令人兴奋的方面是它有可能解决目前经典计算机无法解决的问题。

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.

Change is inevitable, but growth is optional.