He who knows all the answers has not been asked all the questions.
Go before the people with your example, and be laborious in their affairs.
Not too isolated, not too many relationships, the middle, that's wisdom.
If a man in the morning hear the right way, he may die in the evening without regret.
He who remembers from day to day what he has yet to learn, and from month to month what he has learned already, may be said to have a love of learning.
The hardest thing of all is to find a black cat in a dark room, especially if there is no cat.