Wit is the only wall
Between us and the dark.
Authentication Score 3
Citation
Doren, Mark Van. "Wit." Collected Poems 1922–1938. Henry Holt & Company, 1939, st. 1.
Power of humor
Doren, Mark Van. "Wit." Collected Poems 1922–1938. Henry Holt & Company, 1939, st. 1.
Romulus. Quoted in Saturae [Satires], written by Horace. c. 35 BC, bk. 1.
Romulus. Quoted in Satires and Epistles, written by Horace, translated by John Davie. Oxford University Press, 2011, bk. 1.
Twain, Mark. The Mysterious Stranger. Harper & Brothers, 1916, ch. 10.
Twain, Mark. "The Mysterious Stranger." Mark Twain: The Gilded Age and Later Novels, edited by Hamlin Hill. Library of America, 2002, ch. 10.