数学家的模式，就像画家或诗人的模式一样，必须是美丽的。
The mathematician's patterns, like the painter's or the poet's, must be beautiful.
The structure of the international system, not the intentions of individual states, is the primary determinant of state behavior.
If you don’t have time, you don’t have priorities.
I'm the reason your watch won't tock.
