^{21 Ref} In the law it is written, By men of strange tongues and by the lips of strangers will I speak unto this people; and not even thus will they hear me, saith the Lord.

^{22 Ref} Wherefore tongues are for a sign, not to them that believe, but to the unbelieving: but prophesying `is for a sign', not to the unbelieving, but to them that believe.