In a less than subtle way, Paul explained to the Corinthians, that the true sign of a mature believer isn’t that they posses the gift of tongues, but that they pursue and posses the gifts that bless others in the church. And everyone in the church should be using their gifts! Everyone!
Scripture References:
1 Corinthians 14:1,5,10–12,18-19, 22-25
1 Corinthians 14:34–3
Galatians 3:24–29
Joel 2:28–29
Ephesians 4:11–13
Genesis 1:27–28