Forget injuries, never forget kindnesses.
Confucius
By three methods we may learn wisdom: First, by reflection, which is noblest; Second, by imitation, which is easiest; and third by experience, which is the bitterest.
It does not matter how slowly you go as long as you do not stop.
The man who moves a mountain begins by carrying away small stones.
He who conquers himself is the mightiest warrior.
Keep a little fire burning; however small, however hidden.
Cormac McCarthy