Jude chapter 1: verse; 20.

But you, beloved, building up yourselves on your most holy faith, praying in the Holy Ghost,

Praying in tongues is the only way to pray in the Holy Ghost, or we could say Praying in the Holy Spirit:

Ephesians chapter 6: 13 to 18

13. Why take to you the whole armor of God, that you may be able to withstand in the evil day, and having done all, to stand.

14. Stand therefore, having your loins girt about with truth, and having on the breastplate of righteousness;

15. And your feet shod with the preparation of the gospel of peace;

16. Above all, taking the shield of faith, with which you shall be able to quench all the fiery darts of the wicked.

17. And take the helmet of salvation, and the sword of the Spirit, which is the word of God:

18. Praying always with all prayer and supplication in the Spirit, and watching thereunto with all perseverance and supplication for all saints;

Tweet