追求真实的东西，不是追求人们想要的东西。

一个好的抽象是强调本质而抑制无关紧要的。

人们并不懒惰。他们只是有无力的目标——也就是说，那些不能激励他们的目标。

The most effective debugging tool is still careful thought, coupled with judiciously placed print statements.

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.