Speaking In Tongues
1 Corinthians 14.2 For one who speaks in a tongue speaks not to men but to God; for no one understands him, but he utters mysteries in the Spirit. 3 On the other hand, the one who prophesies speaks to people for their upbuilding and encouragement and consolation. 4 The one who speaks in a tongue builds up himself....
The Word tells us that praying in tongues functions to utter mysteries to God in the Spirit and builds us up. If this is a new concept to you, we recommend this message on the topic- Praising the Lord by Speaking in Tongues.
Put this into practice by setting a goal of praying x minutes in tongues during your devotional life. Take note of what might have come to you as you pray.