– Chinese Proverb
– Med Jones
– William Shakespeare
– John Wayne
– Assyrian Proverb
– Tom Robbins, _Skinny Legs and All_, 1990, p. 305.
– Sir Alec Issigonis
– Mehmet Murat ildan
– Mexican Proverb
– William Shakespeare, "King Richard III", Act 5 scene 4
– Richard Kehl
– John Heywood
– James Kelly
– Burmese Proverb
– Arthur Baer
– Author Unknown
– Mikhail Sergeyevich Gorbachev
– Dale Carnegie
– Alfred A. Montapert
– Virgil
– Lawrence Bixby
– Orison Swett Marden
– Chamberlain
– Stephen Price
– Benjamin Franklin