No work nor deed of ours whatsoever, no not faith itself, can be the condition of the covenant of grace properly so called; but only Christ's fulfilling all righteousness.
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.91