He that speaketh in an unknown tongue edifieth himself; but he that prophesieth edifieth the church.
Edifieth himself - as he understands the meaning, of the particular "tongue;" but "the church," the congregation, does not.
Related Commentaries of 1 Corinthians 14:4
1 Corinthians 14:4
4 He that speaketh in an unknown tongue edifieth himself; but he that prophesieth edifieth the church.