They shall speak with new tongues (γλωσσαις λαλησουσιν [καιναισ]). Westcott and Hort put καιναις (new) in the margin. Casting out demons we have seen in the ministry of Jesus. Speaking with tongues comes in the apostolic era (Acts 2:3; Acts 10:46; Acts 19:6; 1. Corinthians 12:28; 1. Corinthians 12:14).