Challenges Quotes - Page 31
Aldo Leopold, David Earl Brown, Neil B. Carmony (1995). “Aldo Leopold's Southwest”, p.160, UNM Press
Tony Dungy (2011). “Uncommon: Finding Your Path to Significance”, p.105, Tyndale House Publishers, Inc.
Robert Collier (2013). “Riches Within Your Reach”, p.32, Simon and Schuster
A hero can go anywhere, challenge anyone, as long as he has the nerve.
Rick Riordan (2007). “The Titan's curse”