If we don't know life, how can we know death?

Therefore the superior man is watchful over himself, when he is alone.

If you look into your own heart, and you find nothing wrong there, what is there to worry about? What is there to fear?

The superior man is anxious lest he should not get the truth; he is not anxious lest poverty should come upon him.

We can know a person by observing his behaviour, understanding the reasons for his actions and ascertaining his intentions. If we do this, how can we not know him?

To take what you know for what you know, and what you do not know for what you do not know, that is knowledge indeed.

A knight whose heart is set upon the Way, but who is ashamed of wearing shabby clothes and eating coarse food, is not worth calling into counsel.