Good science requires patience and persistence.

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."

Patience and persistence are the unsung heroes of scientific discovery.

文学之美在于它能够超越时间和空间，连接不同时代的灵魂。

思想的功能是引导行动走向成功的结果。

政策变化的影响往往比简单的经济模型所暗示的更为微妙。