Think no vice so small that you may commit it, and no virtue so small that you may over look it.

A man should demand much from himself, but little from others. When you meet a man of worth, think how you may attain to his excellence. When you meet an unworthy one, then look within and examine yourself.

Who contains himself goes seldom wrong.

The hardest thing of all is to find a black cat in a dark room, especially if there is no cat.

There are three unfilial acts: the greatest of these is the failure to produce sons.

Things have their roots and branches. Affairs have their beginnings and their ends. To know what is first and what is last will lead one near the Way.

A lack of patience in trifling matters might lead to the disruption of great project.