在一切事务中，偶尔将一个问号挂在你长期以来视为理所当然的事物上是一种健康的做法。
In all affairs， it's a healthy thing now and then to hang a question mark on the things you have long taken for granted.
The measure of a good book is determined by how much it disturbs the reader.
思维和行为在生命有机体中是不可分割的。
The only real sin is regret.
史记