If anyone had times of depression and anxiety and implacable enemies to deal with on all sides, David did. When he was a shepherd boy he had learnt to defend the sheep against marauding lions and bears and with his staff without hesitation had taken them out when protecting the sheep. When the Israelites were confronted with the Giant Goliath David had also taken him out with his slingshot and decapitated him with his own sword. He had seen the LORD give him victory over his enemies when he and his men were greatly outnumbered.
In the Psalms we have a glimpse into David’s inner spiritual conflicts with himself, with his human frailties that we all have, and wrestling with fear and even at one time feigning madness, even foaming at the mouth to save his own life and that of his men before the pagan king Abimelech. It is clear that David wrestled not only with physical enemies but also wrestled with principalities of wickedness in the unseen spiritual realm. In the Old Testament when we see Israel fighting battles in the physical world at the same time there were spiritual battles being fought in the unseen spiritual realm…