The cautious seldom err.
Heaven begat Virtue in me; what can man do unto me?
Who keeps the old akindle and adds new knowledge is fitted to be a teacher.
When you see a good man, think of emulating him; when you see a bad man, examine your own heart.
The way out is through the door. Why is it that no one will use this method?
Not too isolated, not too many relationships, the middle, that's wisdom.