If what one has to say is not better than silence, then one should keep silent.
When you are ignorant about something, to know that you are ignorant about it - that is knowledge.
Virtue is not left to stand alone. He who practices it will have neighbors.
There is no body but eats and drinks. But they are few who can distinguish flavors.
Without feelings of respect, what is there to distinguish men from beasts?
How should I know anything about another world when I know so little of this?