He is a man of splendid abilities, but utterly corrupt. He shines and stinks like rotten mackerel by moonlight.

John Randolph of Roanoke (1773–1833) American politician, diplomat
(Attributed)

Comment on Edward Livingson, quoted in W. Cabell Bruce, John Randolph of Roanoke, Vol. 2 (1923). Sometimes incorrectly given as an attack on Henry Clay.