The psalmist, having taught his people to look back with joy and praise on what God had done for him and them, here teaches them to look forward with faith, and hope, and prayer, upon what God would further do for them: The king rejoices in God (Ps. 21:1), and therefore we will be thankful; the king trusteth in God (21:7), therefore will we be encouraged. The joy and confidence of Christ our King ...