Indeed, the only one I really can know is my own sinful heart. (rachelheldevans.com)
But some Calvinists would like us to believe that there is not one good thing within us and that, essentially, we are riddled with sin rooted in a completely sinful heart. (nakedpastor.com)
[6] Bryan Wilson has correctly noted that the doctrine of sanctification provides the basis for sectarianism and for the enthusiastic propagation of this religious group that throws itself into spiritual conquest and tries to liberate sinful hearts from the clutch of Satan and guide the sinful to the path of holiness. (religion-online.org)