I am teaching the Ten Commandments to a class of ten year old boys in our church. Here is the summary of the lesson from the 10th through the 7th commandment.
When you forget to say thanks, when you forget to be thankful, when you forget all the gifts that you have been given, there creeps into your life a longing for more. What you have is not enough. Therefore You Covet (10th Commandment) You Lie (9th Commandment) You Steal (8th Commandment) You Commit Adultery (7th Commandment).
Gratitude checks the MORE.
21For although they knew God, they neither glorified him as God nor gave thanks to him,
23 He who sacrifices thank offerings honors me,