Psalm 138 – Singing by Myself
This sermon was preached on 21/7/2013 David wrote this psalm, although we cannot tell at what stage in his life it was composed. It is a psalm of thanksgiving for answered prayer during a crisis situation. David here is engaged in private worship because there is no suggestion that someone else is with him. Yet his description of how he worships is full of lessons for us. The contents of worship (vv. 1-2) The first detail to note is that David’s thanksgiving involves all his heart. What does it mean to do something with all one’s heart? It means an undivided heart. Jesus said on one occasion that it is impossible to serve two masters. Similarly it is impossible to worship God if our heart has divided loyalties. In order for worship to occur, there has to be a devoted heart. Furthermore David has an undistracted heart. Perhaps that is why he is by himself. He has gone somewhere where his thoughts and his affections will not be diverted even by legiti...