Memory is therefore, neither Perception nor Conception, but a state or affection of one of these, conditioned by lapse of time. As already observed, there is no such thing as memory of the present while present, for the present is object only of perception, and the future, of expectation, but the object of memory is the past. All memory, therefore, implies a time elapsed; consequently only those animals which perceive time remember, and the organ whereby they perceive time is also that whereby they remember.

Men are marked from the moment of birth to rule or be ruled.

That which is impossible and probable is better than that which is possible and improbable.

The law is reason unaffected by desire.

In part, art completes what nature cannot elaborate; and in part it imitates nature.

Music directly represents the passions of the soul. If one listens to the wrong kind of music, he will become the wrong kind of person.

A change in the shape of the body creates a change in the state of the soul.