In anger we should refrain both from speech and action.

If there be light, then there is darkness; if cold, heat; if height, depth; if solid, fluid; if hard, soft; if rough, smooth; if calm, tempest; if prosperity, adversity; if life, death.

Do not say a little in many words but a great deal in a few.

Animals share with us the privilege of having a soul.

Reason is immortal, all else mortal.

No one is free who has not obtained the empire of himself.