Reverence that which is best in the universe; and this is that which makes use of all things and directs all things. And in like manner also reverence that which is best in thyself; and this is of the same kind as that. For in thyself also, that which makes use of everything else, is this, and thy life is directed by this.
That which does no harm to the state, does no harm to the citizen.
In the case of every appearance of harm apply this rule: if the state is not harmed by this, neither am I harmed.
But if the state is harmed, thou must not be angry with him who does harm to the state. Show him where his error is.
Often think of the rapidity with which things pass by and disappear, both the things which are and the things which are produced. For substance is like a river in a continual flow, and the activities of things