The body is at its best between the ages of thirty and thirty-five.

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.

The soul is the form of the body

It is the active exercise of our faculties in conformity with virtue that causes happiness, and the opposite activities its opposite.

Justice therefore demands that no one should do more ruling than being ruled, but that all should have their turn.

Democracy is the form of government in which the free are rulers, and oligarchy in which the rich; it is only an accident that the free are the many and the rich are the few.

The avarice of mankind is insatiable; at one time two obols was pay enough; but now, when this sum has become customary, men always want more and more without end.