他思想的勇气与言语的坦率相配。

The best ideas often come when you least expect them.

板块构造理论的美妙之处在于，它用如此简单的理论解释了如此多的现象。

The strength of a state is not just its ability to coerce, but its ability to provide services and maintain legitimacy in the eyes of its citizens.

过度自信是毁灭的根源。