Pentecost Sunday
Speaking in tongues, or glossolalia, represents a gift of the Holy Spirit connected to baptism in the Spirit.1 The phenomenon takes two main forms: glossolalia refers to unintelligible speech patterns unfamiliar to speakers, while xenolalia involves the miraculous use of known languages not learned through conventional means.2 In the New Testament, tongues appear as a sign accompanying Spirit-empowerment. At Pentecost, believers filled with the Holy Spirit spoke in other tongues, with each listener hearing their own native language. (Acts 2:1–11) The gift also manifested among Gentile converts and those receiving Paul’s ministry. (Acts 10:44–46; 19:6) However, Paul distinguishes between public and private use. When someone speaks in a tongue, they address God rather than people, uttering mysteries that remain unintelligible to listeners. (1 Cor 14) While tongue-speaking edifies the individual, prophecy builds up the church. (1 Cor 14) Paul establishes clear boundaries for congrega...