The Assuring Spirit

Who is it now that actually assures me, a believer in Jesus Christ, not only that the Bible is true and that Jesus Christ is a complete Savior from sin for everyone who trusts in Him, but also that Jesus Christ is my Savior? Whence comes the certainty -- the infallible certainty (which alone is certainty) -- that I, even I personally, am saved, have been saved from eternity, and will be saved everlastingly? Must I assure myself? Is it the church that assures me? The answer of Scripture to...