Error is multiform (for evil is a form of the unlimited, as in the old Pythagorean imagery, and good of the limited), whereas success is possible in one way only (which is why it is easy to fail and difficult to succeed - easy to miss the target and difficult to hit it); so this is another reason why excess and deficiency are a mark of vice, and observance of the mean a mark of virtue: Goodness is simple, badness is manifold.

Greed has no boundaries

The intelligence consists not only in the knowledge but also in the skill to apply the knowledge into practice.

In educating the young we steer them by the rudders of pleasure and pain

He who is to be a good ruler must have first been ruled.

Those who act receive the prizes.

To be conscious that we are perceiving or thinking is to be conscious of our own existence.