If we may believe our logicians, man is distinguished from all other creatures by the faculty of laughter. He has a heart capable of mirth, and naturally disposed to it.
Source: Spectator, no. 494 (London, 26 Sept. 1712).
-- Joseph Addison, (May 1 1672-1719), English poet, essayist, playwright; He was a regular contributor to The Tatler (1709-11).