The energy of the mind is the essence of life.

.. for desire is like a wild beast, and anger perverts rulers and the very best of men. Hence law is intelligence without appetition.

Hence poetry is something more philosophic and of graver import than history, since its statements are of the nature rather of universals, whereas those of history are singulars.

A change in the shape of the body creates a change in the state of the soul.

Neither old people nor sour people seem to make friends easily; for there is little that is pleasant in them.

Just as at the Olympic games it is not the handsomest or strongest men who are crowned with victory but the successful competitors, so in life it is those who act rightly who carry off all the prizes and rewards.

There are no experienced young people. Time makes experience.