Thinking Quotes - Page 300
Murray Newton Rothbard (1978). “For a New Liberty: The Libertarian Manifesto”, p.57, Ludwig von Mises Institute
"The Elegance of the Hedgehog". Book by Muriel Barbery, September 2, 2013.
Mitch Albom (2007). “Tuesdays with Morrie: An Old Man, a Young Man, and Life's Greatest Lesson”, p.136, Broadway Books
Max Planck (1959). “The new science: 3 complete works: Where is science going? The universe in the light of modern physics; The philosophy of physics”
Notebook, 1899
Mark Batterson (2008). “In a Pit with a Lion on a Snowy Day: How to Survive and Thrive When Opportunity Roars”, p.78, Multnomah