Tweet One can have no smaller or greater mastery than mastery of oneself. Quote by Leonardo da Vinci. You May Also Like...Time stays long enough for anyone who will use it.Wisdom is the daughter of experience.Where there is shouting, there is no true knowledge.Art is never finished, only abandoned.Realize that everything connects to everything else.For a man to conquer himself is the first and noblest of all victories.I have been impressed with the urgency of doing. Knowing is not enough, we must apply. Being willing is not enough, we must do.The best way to find yourself is to lose yourself in the service of others.Why does the eye see a thing more clearly in dreams than the imagination when awake?