我认为理性是一种理想化的东西。

The more difficult the victory, the greater the happiness in winning.

数学不仅仅是关于数字、方程、计算或算法：它是关于理解的。

The thing you fear most has no po you free.

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.