Respectfully Quoted: A Dictionary of Quotations. 1989.
Samuel Johnson (170984)
Among the calamities of war, may be justly numbered the diminution of the love of truth, by the falsehoods which interest dictates, and credulity encourages.
SAMUEL JOHNSON, The Idler, no. 30, November 11, 1758.
A more succinct version is: The first casualty when war comes is truth, attributed to Senator Hiram Johnson, remarks in the Senate, 1918.The Macmillan Book of Proverbs, Maxims, and Famous Phrases, ed. Burton Stevenson, p. 2445 (1948). Unverified.