In good speaking, should not the mind of the speaker know the truth of the matter about which he is to speak.

Science is nothing but perception.

I know nothing more worthy of a man's ambition than that his son be the best of men.

A tyrant... is always stirring up some war or other, in order that the people may require a leader.

A state arises,as I conceive,out of the needs of mankind;no one is self-sufficing,but all of us have many wants

...there are some who are naturally fitted for philosophy and political leadership, while the rest should follow their lead and let philosophy alone.

Love is a grave mental illness.