Better a good enemy than a bad friend.
God is a geometrician.
Not by force shall the children learn, but through play
Those who are too smart to engage in politics are punished by being governed by those who are dumber.
Avoid compulsion and let early education be a matter of amusement. Young children learn by games; compulsory education cannot remain in the soul.
When the tyrant has disposed of foreign enemies by conquest...and there is nothing to fear from them, then he is always stirring up some war