Excellence is an art won by training and habituation.
... There must then be a principle of such a kind that its substance is activity.
The character which results from wealth is that of a prosperous fool.
It is also in the interests of a tyrant to make his subjects poo...the people are so occupied with their daily tasks that they have no time for plotting.
The true end of tragedy is to purify the passions.
But also philosophy is not about perceptible substances they, you see, are prone to destruction.