Working definitions-descriptions--Gift of tongues - Spirit-given ability to speak human languages to God which are unknown to the speaker.-Gift of prophecy - Spirit-empowered teaching and application of Scripture.--vv6-19--1- Words must be understandable to build up the church - vv6-11.-2- When members come seeking to build up the church - v12.-3- Minds must be engaged to build up the church - vv13-19.--Preparing your heart for the sermon---Why was the gift of tongues not edifying the church in Corinth---How is the gift of prophecy much more valuable than tongues in building up the church---How is God glorified by the church being built up----Other passages to consider- Ps 34-1-10- 96- 105-1-6- 118-1-4- Eph 4-7-16- Col 3-12-17- 1 Pet 2-9-10- Rev 7-9-12.--Digging Deeper---What could we do to make our worship services more understandable---What would help you stay focused during our gatherings---How can you build up others in their faith---What can you be doing to prepare and seek to build up the church-