Those in man made religion bicker over doctrines that are held only as trivial knowledge. These doctrines do not end up relating to real life or are a burden.
When you talk to someone about God's truth is it out of love for who you are talking to (encouragement, instruction etc.) or is it to selfishly get your point across of what you believe?
The bottom line is if you share love with God and have a real life relationship with Him. If you do then trust Him and the Holy Spirit will lead you to the truth and how to share the truth.
