Claiming certainty without corroborating evidence is stupid.
No benefit is more constant than simplicity; no happiness more constant than peace.
It is not difficult to know a thing; what is difficult is to know how to use what you know
It is dangerous for a ruler to trust others. He who trusts others can be manipulated by others.
By looking at a person's features, clothing, and speech, even Confucius would not be able to say what sort of a person he is. But by testing him in a position and seeing what he he does, even someone with so-so judgment would be able to know if he is wise or not.
In dealing with those who share his bed, the enlightened ruler may enjoy their beauty but should not listen to their special pleas.