Authors:

If you ask him: "What is silence?" he will answer, "It is the Great Mystery! The holy silence is His voice!" If you ask: "What are the fruits of silence?" he will say: "They are self-control, true courage or endurance, patience, dignity, and reverence. Silence is the cornerstone of character."

Charles Alexander Eastman, Michael Oren Fitzgerald (2007). “The Essential Charles Eastman (Ohiyesa): Light on the Indian World”, p.23, World Wisdom, Inc
If you ask him: What is silence? he will answer, It is the Great Mystery! The holy silence is His voice! If you ask: What are the fruits of silence? he will say: They are self-control, true courage or endurance,