He who hath many friends hath none.

I say that habit's but a long practice, friend, and this becomes men's nature in the end.

In all things of nature there is something of the marvelous.

Accordingly, the poet should prefer probable impossibilities to improbable possibilities. The tragic plot must not be composed of irrational parts.

One cannot say of something that it is and that it is not in the same respect at the same time.

Laws, when good, should be supreme; and that the magistrate or magistrates should regulate those matters only on which the laws are unable to speak with precision owing to the difficulty of any general principle embracing all particulars.

A state of the soul is either (1) an emotion, (2) a capacity, or (3) a disposition; virtue therefore must be one of these three things.