Theodore Roosevelt Quotes about Soul

Theodore Roosevelt (2015). “Theodore Roosevelt on Bravery: Lessons from the Most Courageous Leader of the Twentieth Century”, p.96, Skyhorse Publishing, Inc.
Unless the man is master of his soul all other kinds of mastery amount to little.
Theodore Roosevelt, Paul H. Jeffers (1998). “The Bully Pulpit: A Teddy Roosevelt Book of Quotations”, p.22, Taylor Trade Publications