A dictionary of Proverbs (Oxford Paperback Reference)

There is TRUTH in wine
Cf. Gr. ^fl''there is truth in wine (attributed to the 6th-cent. BC lyric poet Alcaeus); L. in vino veritas. The Latin version, used in Erasmus’ Adages, is widely known and perhaps more frequently used than the English proverb.

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  1545 R. TAVERNER tr. Erasmus’ Adages (ed. 2) H5^V In wyne is trouthe. 1659 T. PECKE Parnassi Puerperium 5 Grant but the Adage true, that Truth’s in wine. 1869 TROLLOPE He knew He was Right II. li. There is no saying truer than that.. there is truth in wine. Wine.. has the merit of forcing a man to show his true colours. 1934 R. GRAVES Claudius the God ix. The man who made the proverb ‘There’s truth in wine’ must have been pretty well soaked when he made it. 2002 P. LOVESEY Diamond Dust xi. 87 He was trying to decide if the man was capable of coherent answers. In vino veritas is a maxim
  

reliable only up to a certain intake of the vino. "drunkenness; truth
TRUTH is the first casualty of war
The originator of this saying is sometimes said to be Hiram Johnson, addressing the US Senate in 1918, but it does not occur in the record of the relevant speech.
□1928 A. PONSONBY Falsehood in Wartime (epigraph) When war is declared, Truth is the first casualty. 1975 P. KNIGHTLEY (title) The First Casualty: the war correspondent as hero, propagandist, and myth maker from the Crimea to Vietnam 1992 English Today Jan. 48/1 In war, the first casualty is language. .. It was the ‘pacification’ of Gaul by Julius Caesar, not the brutal and bloody subjugation of Gaul. 1998 Independent 12 June I. 29/1 If truth is the first casualty of war then words are the first to be crocked in the World Cup. 2002 Consumer Reports Feb. 62 We’ve all heard that truth is the first casualty of war. Still, it was surprising how fast the victim expired after the terrorist attacks of Sept. 11. By the 12th, Internet watchdogs were already warning against online frauds. "truth; warfare