A close and careful reading of the words and grammatical constructions of Revelation 3:20 will clarify at whose door the Lord stands, and the strong encouragement of what he is doing there. Dr. Scott Duvall is Fuller Professor of New Testament at Ouachita Baptist University. Among his publications are (with J. Daniel Hays), Grasping God's Word, Fourth Edition: A Hands-On Approach to Reading, Interpreting, and Applying the Bible and God's Relational Presence. Check out related programs at Wheaton College: B.A. in Classical Languages (Greek, Latin, Hebrew): https://bit.ly/3WivvsF  M.A. in Biblical Exegesis: https://bit.ly/3SoN8ET