Since we think we understand when we know the explanation, and there are four types of explanation (one, what it is to be a thing; one, that if certain things hold it is necessary that this does; another, what initiated the change; and fourth, the aim), all these are proved through the middle term.

Money is a guarantee that we may have what we want in the future. Though we need nothing at the moment it insures the possibility of satisfying a new desire when it arises.

The blood of a goat will shatter a diamond.

The greatest victory is over self.

Our actions determine our dispositions.

To learn is a natural pleasure, not confined to philosophers, but common to all men.

Good moral character is not something that we can achieve on our own. We need a culture that supports the conditions under which self-love and friendship flourish.