God has made clear what He has chosen to reveal. Other things, perhaps, He’s waiting to reveal within the intimacy of an actual relationship. If Jesus had wanted to solidify every single Christian doctrine and lock into place every conceivable eventuality, then He could have simply sat down with a scribe and dictated the New Testament from His own lips before departing. Instead God chose to continue to speak as He always has —by inspiring His people. As vastly superior as God is to us and as little