It is not necessary that whilst I live I live happily; but it is necessary that so long as I live I should live honourably.

What are the aims which are at the same time duties? They are perfecting of ourselves, the happiness of others.

It is therefore correct to say that the senses do not err — not because they always judge rightly, but because they do not judge at all.

If education is to develop human nature so that it may attain the object of its being, it must involve the exercise of judgment.

If a man is often the subject of conversation he soon becomes the subject of criticism.

All trades, arts, and handiworks have gained by division of labor... Where the different kinds of work are not distinguished and divided, where everyone is a jack-of-all-trades, there manufactures remain still in the greatest barbarism.

Seek not the favor of the multitude; it is seldom got by honest and lawful means. But seek the testimony of few; and number not voices, but weigh them.