The injury of prodigality leads to this, that he who will not economize will have to agonize.

If your desire is for good, the people will be good.

To study and constantly, is this not a pleasure? To have friends come from far away places, is this not a joy? If people do not recognize your worth, but this does not worry you, are you not a true gentleman?

Listen widely to remove your doubts and be careful when speaking about the rest and your mistakes will be few.

Table your mistakes, learn from them, then move on.

To put the world in order, we must first put the nation in order; to put the nation in order, we must first put the family in order; to put the family in order; we must first cultivate our personal life; we must first set our hearts right.

In teaching there should be no distinction of classes.