Tertullian An Answer to the Jews Who will ply the sword without practising the contraries to lenity and justice; that is, guile, and asperity, and injustice, proper (of course) to the business of battles? See we, then, whether that which has another action be not another sword,-that is, the Divine word of God, doubly sharpened[154] Tertullian Against Marcion Book III Now the Apostle John, in the Apocalypse, describes a sword which proceeded from the mouth of God as "a doubly sharp, two-edged one."[199]