Don't walk behind me; I may not lead. Don't walk in front of me; I may not follow. Just walk beside me and be my friend.
翻译：所以不完全了解用兵的危害，就不能完全了解用兵的好处。
Human cognition is best understood as a hierarchy of information processing levels.
The true meaning of life is to plant trees under whose shade you do not expect to sit.
It is not because certain things are difficult that we do not dare;it is because we do not dare that things are difficult.