We must not feel a childish disgust at the investigations of the meaner animals. For there is something marvelous in all natural things.

It is more difficult to organize a peace than to win a war; but the fruits of victory will be lost if the peace is not organized.

We are what we continually do.

In a race, the quickest runner can never overtake the slowest, since the pursuer must first reach the point whence the pursued started, so that the slower must always hold a lead.

For through wondering human beings now and in the beginning have been led to philosophizing.

Courage is the mother of all virtues because without it, you cannot consistently perform the others.

It is clear, then, that wisdom is knowledge having to do with certain principles and causes. But now, since it is this knowledge that we are seeking, we must consider the following point: of what kind of principles and of what kind of causes is wisdom the knowledge?