The doctrines that constituted the power of preaching from colonial Puritanism, from Edwards to Nettleton, had been cut in half. The objective affirmations of the person of Christ, the necessity of the cross and resurrection, and the call to repentance and faith though suffering through various nuances of explanation had remained clear. Yet the subjective doctrines of the character of the human will and consequent discussions of the work of the Holy Spirit in regeneration and conversion and the nature of repentance, faith, and assurance all had been redefined.