"like David, you are a sinner. There are times when you let yourself be ruled by your self-focused desires rather than by God's clear commands. There are times when you love something in the creation more than you love the Creator. There are times when you willingly step over God's boundaries in pursuit of what you want. There are times when your little kingdom of one means more to you than his transcendent kingdom of glory. There are times when you work hard to deny what you have done or to cover your tracks in fear of being caught.
The first lie is the lie of autonomy, which tells me that I am an independent human being with the right to invest my life however I choose. The second lie is the lie of self-sufficiency, which declares that I have everything I need within myself to be what I am supposed to be and do what I am supposed to do. Because we do not want to live for God, but for ourselves, we are easily seduced, at the mundane, everyday level, by these lies.
The greatest victory in David's life was not a victory of David's at all, but, rather, God's victory of grace over the sin that had captivated David's heart."
Paul Tripp, Whiter than Snow: Meditations on Sin and Mercy