Those who assert that the mathematical sciences say nothing of the beautiful or the good are in error. For these sciences say and prove a great deal about them; if they do not expressly mention them, but prove attributes which are their results or definitions, it is not true that they tell us nothing about them. The chief forms of beauty are order and symmetry and definiteness, which the mathematical sciences demonstrate in a special degree.

Distance does not break off the friendship absolutely, but only the activity of it.

A true friend is one soul in two bodies.

All flatterers are mercenary, and all low-minded men are flatterers.

He who is to be a good ruler must have first been ruled.

No one will dare maintain that it is better to do injustice than to bear it.

Think as wise men do, but speak as the common people do.