Smart
– Julius Rosenwald
– Albert Einstein
– Dick Solomon, 3rd Rock From the Sun
– James Randi
– Med Jones
– Plato
– Happy Gilmore
– Henry Seely
– John C. Maxwell
– Laurence J. Peter
– Old School
– Eugene McCarthy
– Douglas Adams, The Salmon of Doubt, p. 205
– Neil Gershenfeld
– Moby, quoted on CNN.com, March 2005
– Al Franken, Stuart Smalley in Saturday Night Live, catchphrase
– Jack Handey Deep Thoughts
– Scott Adams
– Al Franken
– Becky Rodenbeck
– Mary Ellen Kelly
– Robert E. Kahn
– Scott Adams, The Dilbert Future