It will contribute towards one's object, who wishes to acquire a facility in the gaining of knowledge, to doubt judiciously.

Thus every action must be due to one or other of seven causes: chance, nature, compulsion, habit, reasoning, anger, or appetite.

Courage is a mean with regard to fear and confidence.

Emotions of any kind can be evoked by melody and rhythm; therefore music has the power to form character.

It is well to be up before daybreak, for such habits contribute to health, wealth, and wisdom.

The worst form of inequality is to try to make unequal things equal.

Misfortune shows those who are not really friends.