Men cling to life even at the cost of enduring great misfortune.

If a man of good natural disposition acquires Intelligence [as a whole], then he excels in conduct, and the disposition which previously only resembled Virtue, will now be Virtue in the true sense. Hence just as with the faculty of forming opinions [the calculative faculty] there are two qualities, Cleverness and Prudence, so also in the moral part of the soul there are two qualities, natural virtue and true Virtue; and true Virtue cannot exist without Prudence.

Perception starts with the eye.

Justice is that virtue of the soul which is distributive according to desert.

It is not once nor twice but times without number that the same ideas make their appearance in the world.

Knowledge of the fact differs from knowledge of the reason for the fact.

A good style must, first of all, be clear. It must not be mean or above the dignity of the subject. It must be appropriate.