A thing is not necessarily true because a man dies for it.
Source: Erskine, in The Portrait of Mr. W. H., ch. 1; first published in Blackwood's Edinburgh Magazine, Jul 1889.
-- Oscar Wilde, (Oct 16 1856-1900), Anglo-Irish playwright, novelist; He was noted for his flamboyant witty, sophisticated plays, e.g., The Importance of Being Ernest, 1895.