Worthless persons appointed to have supreme control of weighty affairs do a lot of damage.

The seat of the soul and the control of voluntary movement - in fact, of nervous functions in general, - are to be sought in the heart. The brain is an organ of minor importance.

The senses are gateways to the intelligence. There is nothing in the intelligence which did not first pass through the senses.

That which is impossible and probable is better than that which is possible and improbable.

The excellence of a thing is related to its proper function.

Greatness of Soul seems therefore to be as it were a crowning ornament of the virtues; it enhances their greatness, and it cannot exist without them. Hence it is hard to be truly great-souled, for greatness of soul is impossible without moral nobility.

...one Greek city state had a fundamental law: anyone proposing revisions to the constitution did so with a noose around his neck. If his proposal lost he was instantly hanged.