Thinking Quotes - Page 407
Athol Fugard (2000). “Port Elizabeth Plays”, p.28, Oxford Paperbacks
"Physical Chemistry in Depth". Textbook by Johannes Karl Fink, p. 1, 1992.
Alice Childress (2000). “A Hero Ain't Nothin But a Sandwich”, p.37, Penguin
Alfred Russel Wallace's letter to a relative, 1861.
Alex Faickney Osborn (1948). “Your Creative Power: How to Use Imagination”
Albert Schweitzer (2014). “A Treasury of Albert Schweitzer”, p.69, Open Road Media