Soldiers of the ploughshare as well as soldiers of the sword.
(John Ruskin (1819-1900), British art critic, author. Unto This Last, essay 3 (1862).)
Children play soldier. That makes sense. But why do soldiers play children?
(Karl Kraus (1874-1936), Austrian satirist. repr. In Half-Truths and One-And-A Half-Truths: Selected Aphorisms, "In This War We Are Dealing ...," ed. Harry Zohn (1976). Sprüche und Widersprüche, ch. 4 (1909).)
(George Bernard Shaw (1856-1950), Anglo-Irish playwright, critic. (First produced 1897). Richard Dudgeon, in The Devil's Disciple, act 3, The Bodley Head Bernard Shaw: Collected Plays with their Prefaces, vol. 2, ed. Dan H. Laurence (1971).)