Set a watch, O Lord, before my mouth; keep the door of my lips. Psalm 141:3 Set a watch, O Lord, before my mouth; keep the door of my lips. Psalm 141:3 Set a watch, O Lord, before my mouth; keep the door of my lips. Psalm 141:3 Set a watch, O Lord, before my mouth; keep the door of my lips. Psalm 141:3