He will send from heaven and save me;
he will put to shame him who tramples on me. Selah
God will send out his steadfast love and his faithfulness! – Psalm 57:3

Be exalted, O God, above the heavens!
Let your glory be over all the earth! – Psalm 57:5

The reason that missions exist to the ends of the earth is because worship doesn’t yet. Even when David is hiding for his life in the darkness of a cave, he never loses sight of God’s glory to be spread over all the earth.