Psalm 119:64 (NLT)
64 O Lord, your unfailing love fills the earth; teach me your decrees.

David pleads that God is good to all the creatures according to their necessities and capacities; as the heaven is full of God's glory, so the earth is full of his mercy, full of the instances of his pity and bounty. Not only the land of Canaan, where God is known and worshipped, but the whole earth, in many parts of which he has no homage paid him, is full of his mercy. Not only the children of men upon the earth, but even the inferior creatures, taste of God's goodness. His tender mercies are over all his works. [Matthew Henry Commentary]

In 1982, the Today show in New York City scheduled an interview with Reverend Billy Graham. When he arrived at the studio, one of the program's producers informed Graham's assistant that a private room had been set aside for the reverend for prayer before the broadcast. The assistant thanked the producer for the thoughtful gesture, but told him that Mr. Graham would not need the room. The producer was a bit shocked that a world-famous Christian leader would not wish to pray before being interviewed on live national television.

Graham's assistant responded, "Mr. Graham started praying when he got up this morning, he prayed while eating breakfast, he prayed on the way over in the car, and he'll probably be praying all the way through the interview." [Harold Myra and Marshall Shelley, The Leadership Secrets of Billy Graham (Zondervan, 2005)]

David prayed and worshiped often to God so that he would learn more about God and His unfailing love. It is something we all should do to stay close to God.