Lesson 15.1 “But when He, the Spirit of truth, comes, He will guide you into all truth.” (John 16:3
Lesson 15.2 “Search me, O God, and know my heart! Try me and know my thoughts!” (Psalm 139:23)
Lesson 15.3 “It is the glory of God to conceal a matter, but the glory of kings is to search out a matter.” (Proverbs 25:2)
Lesson 15.4 “The Spirit Himself bears witness with our spirit that we are children of God.” (Romans 8:16)