一个值得观察和探究的奇怪主题是，仇恨和爱在本质上是否不是同一件事。
It is a curious subject of observation and inquiry, whether hatred and love be not the same thing at bottom.
Failure is an option here. If things are not failing, you are not innovating enough.
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。
The uniform， constant， and uninterrupted effort of every man to better his condition， the principle from which public and national as well as private opulence is originally derived.
笑和哭都是对挫折和疲惫的反应。我自己更喜欢笑，因为之后需要清理的少。