Nothing is evil which is according to nature.

Always take the short cut; and that is the rational one. Therefore say and do everything according to soundest reason.

Do not expect Plato's ideal republic; be satisfied with even the smallest step forward, and consider this no small achievement.

Accustom yourself not to be disregarding of what someone else has to say: as far as possible enter into the mind of the speaker.

As far as you can, get into the habit of asking yourself in relation to any action taken by another: "What is his point of reference here?" But begin with yourself: examine yourself first.

Search men's governing principles, and consider the wise, what they shun and what they cleave to.

Live out your life in truth and justice, tolerant of those who are neither true nor just.