Of the testimony of God makes him a liar, and is a sin of the greatest enormity. It is the work of a depraved and guilty heart; for no one without this bias could reject the abundant witness God furnishes of the truth of his word, Psalm 14:1 . Especially is unbelief towards an offered Savior an unspeakable crime, justly sealing the condemnation of him who thus refuses to be saved, John 5:18 1 John 5:10 .