Reflection. The gift of tongues in Acts and 1 Corinthians 12 By Fabian Massa.
A. The gift of tongues in Acts
Acts 2.1 to 12 as the Day of Pentecost 
Acts 4.29-31 The 2nd Pentecost
Acts 8.14-19 Samaria.
Acts 9.17-19 Paul's conversion.
Acts 10.44-48 Peter at Cornelius' house
Acts 19.1-7 Paul in Ephesus
B. The gift of tongues  to 1 Cor.12
Book of Acts
David, filled with the Holy Spirit nearly 1,000 years before Pentecost says: All your words are true; Your righteous judgments endures forever. NIV Psalm 119,160.
As Son of God, our duty is to talk to the whole truth because only the truth will set us free.