A philosophical problem has the form: "I don't know my way about."

Women, they have minds, and they have souls, as well as just hearts. And they've got ambition, and they've got talent, as well as just beauty. I'm so sick of people saying that love is just all a woman is fit for.

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

数学的研究就像空气或重力——它无处不在，你看不到它，但你知道它在那里。

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.

Labor market institutions play a crucial role in shaping economic outcomes.

A good person will follow the rules, a great person will follow himself.

The beauty of literature is that it allows us to live a thousand lives in one.