"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

如果你想过得快乐，就把生活跟目标联系在一起，而不是跟人或物质。

The greatest threat to democracy is not from external enemies but from internal decay and the loss of civic virtue.

自守形式的研究是数学对称性之美的反映。