The document discusses speaking in tongues, which is described as a gift of the Holy Spirit. It provides several key points about tongues: 1) When speaking in tongues, a person's spirit is speaking mysteries to God through words given by the Spirit. It is a voluntary activity primarily used for praise, worship, prayer, and blessing. 2) Tongues is listed as a spiritual gift along with other gifts like prophecy, teaching, and healing. As a personal gift, it can be used for private prayer and edification. 3) Speaking in tongues allows people to pray even when they do not know how to pray. It involves praying in groanings guided by the Spirit rather than the mind.