Numbers Quotes - Page 88
Margaret Sanger, Michael W. Perry, H. G. Wells (2003). “The Pivot of Civilization in Historical Perspective: The Birth Control Classic”, p.338, Inkling Books
Marci Shimoff, Carol Kline (2009). “Happy for No Reason: 7 Steps to Being Happy from the Inside Out”, p.17, Simon and Schuster
Mao Zedong (2017). “Quotations from Chairman Mao Tse-tung (The Little Red Book) & Other Works”, p.70, Lulu.com
Mohandas Karmchand Gandhi, Mahatma Gandhi, V. Geetha (2004). “Soul Force: Gandhi's Writings on Peace”, p.96, Tara Publishing
Lysander Spooner (1867). “No Treason: No. 1-”
"The Forgotten Revolution: How Science Was Born in 300 BC and Why It Had to Be Reborn". Book by Lucio Russo, 2004.