If you have lingering sin in your life, or if you keep neglecting some good deed just because you have been waiting around to be saved without a fight, you are compounding your disobedience. God will never appear with power in your will in any other way than through your exercise of that will; that is, through your good resolves — your good intentions and plans and purposes.
So, people who believe in the sovereignty of God must not fear to engage their wills in the struggle for holiness.
John Piper, Good Works through Good Resolve