在人类社会的初期,每个人都是自私自利的。
The international system is inherently competitive, and states are constantly trying to outmaneuver each other.
宁可信他有,不可信他没有。
I don’t compete with anyone but myself.
一切真相一旦被发现后都变得通俗易懂,关键在于发现它们的过程。