Tongues is the only gift that can be easily counterfeited. To those who uncritically accept any manifestation as from the Lord, the emphasis is then on experience rather than the unchanging Word of God. Peter pointed to a more sure word of prophecy—the Scriptures—rather than an experience, even that tremendous experience on the Mount of Transfiguration (2 Peter:1:16–21).
"Knowing this first, that no prophecy of the scripture is of any private interpretation. For the prophecy came not in old time by the will of man: but holy men of God spake as they were moved by the Holy Ghost."