Served the creature more than the Creator.

God made things from nothing, we are made by God, therefore, we are nothing.

And he went in also unto Rachel, and he loved also Rachel more than Leah, and served with him yet seven other years.

And again, whom should I serve? should I not serve in the presence of his son? as I have served in thy father's presence, so will I be in thy presence.

And they cried unto the LORD, and said, We have sinned, because we have forsaken the LORD, and have served Baalim and Ashtaroth: but now deliver us out of the hand of our enemies, and we will serve thee.

For in Christ Jesus neither circumcision availeth any thing, nor uncircumcision, but a new creature.