The Psalmist David in his experience had many changes of mind. At times, as he obtained views of God’s will and ways, he was highly exalted. Then as he caught sight of the reverse of God’s mercy and changeless love, everything seemed to be shrouded in a cloud of darkness. But through the darkness he obtained a view of the attributes of God, which gave him confidence and strengthened his faith.... (TDG 43.4) MC VC