He who conquers himself is the mightiest warrior.

When the multitude detests a man, inquiry is necessary; when the multitude likes a man, inquiry is equally necessary.

If I am walking with two other men, each of them will serve as my teacher. I will pick out the good points of the one and imitate them, and the bad points of the other and correct them in myself.

The Essence of Knowledge is, having it, to use it.

When you see a good person, think of becoming like her/him. When you see someone not so good, reflect on your own weak points.

he who will not economize will agonize

The end of the day is near when small men make long shadows.