58. "Your own self is your master; who else could be? With yourself well controlled, you gain a master very hard to find."
57. "One who conquers himself is greater than another who conquers a thousand times a thousand men on the battlefield. Be victorious over yourself and not over others."
50. "Know from the rivers in clefts and in crevices: those in small channels flow noisily, the great flow silent. Whatever’s not full makes noise. Whatever is full is quiet."