The more man meditates upon good thoughts, the better will be his world and the world at large.

In his dealings with the world, the gentleman is not invariably for or against anything. He is on the side of what is moral.

The father who does not teach his son his duties is equally guilty with the son who neglects them.

There are three things to beware of through life: when a man is young, let him beware of his appetites; when he is middle-aged, of his passions; and when old, of covetousness, especially.

Know what you know and know that you don't know what you don't know — that is the characteristic of one who knows.

I transmit but do not create. I place my trust in the teachings of antiquity.

To err and not reform, this may indeed be called error.