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. Burton Stevenson, ed., The Macmillan Book of Proverbs, Maxims, and Famous Phrases (1948), p. 2445. Reported as unverified in Respectfully Quoted: A Dictionary of Quotations (1989).https://en.wikiquote.org/wiki/War