Fitness Motivational Quotes
The human body is the only machine for which there are no spare parts.
Radio Talk (quoted in Doctor's Legacy)
Theodore Roosevelt (2015). “Theodore Roosevelt on Bravery: Lessons from the Most Courageous Leader of the Twentieth Century”, p.60, Skyhorse Publishing, Inc.
Harriet Beecher Stowe (1868). “The Chimney-corner”, p.126