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.

——二个叔父孙学成、孙观成早年均因为贫穷必须远赴他乡做工谋生，在孙出生前后因病去世，孙看到清朝绩弱不振，受到外国强敌欺侮，增加自己从事反清革命的动机

每个项目都是一个等待被讲述的新故事。

购买股票的最佳时机是它们不受欢迎的时候。

量子计算的力量在于其能够利用叠加和纠缠。

Freedom is man's capacity to take a hand in his own development. It is our capacity to mold ourselves.

保持饥饿，保持愚蠢。

我们必须自由，不是因为我们宣称自由，而是因为我们践行自由。