What does it mean to "walk worthy of the Lord" (Col 1:10)? It obvious doesn't mean that we should act in a way to deserve or merit or earn God's favor--that would contradict everything else said in the Bible. Nor should we be calling attention to our worth which God is obligated to acknowledge.

John Piper said that it means "to walk in a way that the Lord deserves from us, not in a way that we deserve from the Lord". Certainly it does say in Col. 1:10 that we should "fully please Him". This looks away from our worth, but to show the worth and grace and power of the Lord, as by our walk we should bring glory and honor to Him. It says to me to act in such a way as to reflect the great value and the glorious nature of God and the gospel through which I am saved. Paul goes on to tie this in to "being fruitful in every good work...". Above all things, faith and its fruits fits the worth of God. I pray to look to God's infinite worth for our help and satisfaction.