一个在真正饥饿时被喂食、在疲倦时被允许睡觉的婴儿会是一个满足的婴儿。
The most important thing in communication is hearing what isn't said.
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.
你给予的越多,得到的回报就越多。