BSB
Tongues, then, are a sign, not for believers, but for unbelievers. Prophecy, however, is for believers, not for unbelievers.
AKJV
Why tongues are for a sign, not to them that believe, but to them that believe not: but prophesying serves not for them that believe not, but for them which believe.
CPDV
And so, tongues are a sign, not for believers, but for unbelievers; and prophecies are not for unbelievers, but for believers.
ERV
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.
NHEB
Therefore tongues 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.
SMT
So that tongues are for a sign, not to the believing, but to the unbelieving: and the gift of prophecy, not to the unbelieving, but to the believing.