Sinners in their natural state lie dead, lifeless, and moveless; they can no more believe in Christ, nor repent, than a dead man can speak or walk: but, in virtue of the promise, the Spirit of life from Christ Jesus, at the time appointed, enters into the dead soul, and quickens it; so that it is no more morally dead, but alive, having new spiritual powers put into it, that were lost by Adam's fall.
Thomas Boston (1767). “A view of the covenant of grace from the sacred records: Wherein the parties in that covenant, the making of it; its parts ... and the administration thereof, are distinctly considered. Together with the trial of a saving personal in-being in it, and the way of instating sinners therein ...”, p.151
