心理学的方法必须尽可能精确。
The method of psychology must be as precise as possible.
The best fruits come from the best practices; never compromise on standards.
Equality is not just a moral imperative; it’s an economic necessity.
合同本质上是不完全的，因为不可能预见所有未来的偶然事件。
老虎的尾巴不会长在狸猫身上，象牙也不会长在老鼠的口中。这句话是说小人是不会做出高尚的事情的。
痛苦是不可避免的，但受苦是可以选择的。
No arts; no letters; no society; and which is worst of all, continual fear and danger of violent death; and the life of man, solitary, poor, nasty, brutish, and short.