Answer depression with a prayer! The psalmist said, 'Many are asking, "Who can show us any good?" Let the light of your face shine upon us, O Lord (4.6). Pessimism is all around us. It is said that a single grain of indigo can colour a ton of water - which shows how infectious the blues can be! But when the outlook was bad the psalmist tried the up look; he answered depression with a prayer. Is that a clue for us?