The purpose of our publications is to provide a standard of knowledge in line with 2 Timothy 1:13 so that all who are baptized may "speak in agreement" in line with 1 Corinthians 1:10. The Bible is indeed the source of truth from God, but as Peter said, "However, some things in them are hard to understand, and these things the ignorant and unstable are twisting, as they do also the rest of the Scriptures, to their own destruction."--2 Peter 3:16 It is true that the Bible provides all we need. We do not need to draw truths from other sources. But drawing up those truths may require a spiritual bucket as with Bible study aids and a person to draw it up with in the form of your Bible teacher. Reasoning From the Scriptures It is each individual's choice in what they will believe, but if anyone is to be baptized, they should be properly convinced with reasoning in line with 2 Timothy 3:14. You will not find anyone as devoted to reasoning on the Scriptures as Jehovah...