To study and not think is a waste. To think and not study is dangerous.

Being in humaneness is good. If we select other goodness and thus are far apart from humaneness, how can we be the wise?

What you dislike in your superiors, avoid doing to your inferiors. What you dislike in your inferiors, avoid doing when working for your superiors. What you hate in those who are in front of you, do not do to those behind you.

Some are born with knowledge, some derive it from study, and some acquire it only after a painful realization of their ignorance. But the knowledge being possessed, it comes to the same thing. Some study with a natural ease, some from a desire for advantages, and some by strenuous effort. But the achievement being made, it comes to the same thing.

Friendship with the upright, with the truthful and with the well informed is beneficial. Friendship with those who flatter, with those who are meek and who compromise with principles, and with those who talk cleverly is harmful.

The superior man is distressed by his want (lack) of ability

Is any one able for one day to apply his strength to virtue? I have not seen the case in which his strength would be sufficient.