Sydney Smith (1771-1845), quoted in A Memoir of the Reverend Sydney Smith. By His Daughter Lady Holland. With a Selection of His Letters, Edited by Mrs. Austin
, Vol. I (London: Longman, Brown, Green, and Longmans, 1855), p. 382:
The Lemon-squeezers of society—people who act on you as a wet blanket, who see a cloud in the sunshine, the nails of the coffin in the ribbons of the bride, predictors of evil, extinguishers of hope; who, where there are two sides, see only the worst—people whose very look curdles the milk, and sets your teeth on edge.