There will be no end to the troubles of states or of humanity itself till philosophers become kings in this world or till those we now call kings and rulers really and truly become philosophers and political power and philosophy thus come into the same hands.
Nothing can be more absurd than the practice that prevails in our country of men and women not following the same pursuits with all their strengths and with one mind for thus the state instead of being whole is reduced to half.
Ignorance of all things is an evil neither terrible nor excessive nor yet the greatest of all but great cleverness and much learning if they be accompanied by a bad training are a much greater misfortune.
When the tyrant has disposed of foreign enemies by conquest or treaty and there is nothing more to fear from them then he is always stirring up some war or other in order that the people may require a leader.
The man who makes everything that leads to happiness depends upon himself and not upon other men has adopted the very best plan for living happily. This is the man of moderation the man of manly character and of wisdom.