ASV: 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.
BBE: For this reason tongues are for a sign, not to those who have faith, but to those who have not: but the prophet's word is for those who have faith, and not for the rest who have not.
DBY: So that tongues are for a sign, not to those who believe, but to unbelievers; but prophecy, not to unbelievers, but to those who believe.
KJV: Wherefore tongues are for a sign, not to them that believe, but to them that believe not: but prophesying serveth not for them that believe not, but for them which believe.
WEY: This shows that the gift of tongues is intended as a sign not to those who believe but to unbelievers, but prophecy is intended not for unbelievers but for those who believe.
WBS: Wherefore languages are for a sign, not to them that believe, but to them that believe not: but prophesying serveth not for them that believe not, but for them who believe.
WEB: Therefore other languages are for a sign, not to those who believe, but to the unbelieving; but prophesying is for a sign, not to the unbelieving, but to those who believe.
YLT: so that the tongues are for a sign, not to the believing, but to the unbelieving; and the prophesy 'is' not for the unbelieving, but for the believing,
