A real decision is measured by the fact that you’ve taken a new action. If there’s no action, you haven’t truly decided.

文化进化不是线性进展，而是适应和变化的复杂网络。

我们永远不必为自己的眼泪感到羞耻。

Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government," and as such constituted the "end of history."

数学的快乐来自创造的行为，而不仅仅是结果。