Silence.

Curtis, Winter Camp, Sioux Tepee, 1908

The Wise Man mingled with his pride a singular humility. Spiritual arrogance was foreign to his nature and teaching. He never claimed that the power of articulate speech was proof of superiority over the dumb creation; on the other hand, it is to him a perilous gift. He believes profoundly in silence - the sign of a perfect equilibrium. Silence is the absolute poise or balance of body, mind and spirit. The man who preserves his selfhood ever calm and unshaken by the storms of existence - not a leaf, as it were, astir on the tree, not a ripple upon the surface of the shinning pool - his, in the mind of the unlettered sage, is the ideal attitude and conduct of life. Silence is the cornerstone of character.

- Ohiyesa