Integrity Quotes - Page 61
Richard P. Feynman (2015). “The Quotable Feynman”, p.127, Princeton University Press
R. Buckminster Fuller “Synergetics: Explorations in the Geometry of Thinking”, Estate of R. Buckminster Fuller
Philip Hauge Abelson (1985). “Enough of Pessimism: 100 Essays”, Westview Press
"Noam Chomsky: A Life of Dissent". Book by Robert F. Barsky, 1997.
Marianne Williamson (2004). “Everyday Grace: Having Hope, Finding Forgiveness, and Making Miracles”, p.87, Penguin
Mahatma Gandhi (2011). “The Way to God: Selected Writings from Mahatma Gandhi”, North Atlantic Books
Louisa May Alcott (2015). “Louisa May Alcott Premium Edition - 16 Novels in One Volume: Little Women Trilogy & Other Novels (Illustrated): Moods, The Mysterious Key and What It Opened, An Old Fashioned Girl, Work, Eight Cousins, Rose in Bloom, Under the Lilacs, Jack and Jill, Behind a Mask, The Abbot's Ghost, A Modern Mephistopheles…”, p.2465, e-artnow