– Cicero
– Henry C. Blinn
– Elbert Hubbard
– Ernest Thompson Seton
– Thomas Jefferson, letter to Elbridge Gerry, 1799
– Bertrand Russell
– Abraham Lincoln
– Ronald Reagan
– Albert Einstein
– The National, Paris, 1850
– Publius Celsus
– Abbie Hoffman, Steal This Urine Test
– Julie Cochrane
– Kay Ingram