The folk who first sang this Psalm looked back on the past. But as they did so, they were driven to pray for the future.
The God of the Bible will accept no rivals. He demands all of our worship, all our obedience, all our love.
The story of the Israelites who left Egypt was a story of repeated sin and failure but where sin abounded, grace abounded all the more.
Who gave the 10 commandments? When? How? And the most important question of all - Have you kept them?
The psalmist and his friends were in a very bleak situation. But he was looking to the future and wanted them to do the same.