Everything covered in this book is backed up by SCRIPTURE, God's Written Word. "TRUTH" John 4:24 God is a Spirit and they that worship Him MUST worship Him in Spirit and IN TRUTH. What is TRUTH? John 17:17 Sanctify them through Thy TRUTH: THY WORD is TRUTH. "Scripture" is the Written Word of God through those He Chose. God's Written Word is TRUTH.