Lord Philip Dormer Stanhope Chesterfield, Philip Dormer Stanhope Earl of Chesterfield (1855). “The Works of Lord Chesterfield: Including His Letters to His Son, Etc : to which is Prefixed, an Original Life of the Author”, p.199
"Steve Carell, Jim Carrey, Olivia Wilde, Steve Buscemi, John Francis Daley, and Jonathan Goldstein Talk THE INCREDIBLE BURT WONDERSTONE". Interview with Adam Chitwood, collider.com. March 11, 2013.
Thomas Hobbes (1839). “Of Liberty and Necessity; a treatise, wherein all controversy concerning predestination, election, free will, grace, merits, reprobation, etc. is fully decided and cleared. New edition”, p.11