" Like it or not, because I stand in the covenant of grace, I must mortify my sin. Because I stand in the covenant of grace I am able to mortify sin. Daily. Hourly. No matter how long this sin has been my companion. I must never become sentimental about it. I’m called by God to put it to death. And one big proof that the grace of God is at work in me is that I know that I need to do this, even if I can’t imagine how. "