Have you noticed how hard it is to tame your tongue?
James showed the potential for self deception is real (James 

-25) and this lack of awareness hallmarks a person whose religion is worthless.

Bonafide Faith Lives with Godly Wisdom - Audio

The main work of ecclēsia is to build up the body of Christ by the consistent teaching of the Bible, book-by-book, chapter-by-chapter, verse-by-verse. The worship is simple, focusing on exalting the Lord.