Luke 2:12

12And athis will be a sign for you: you will find a baby bwrapped in swaddling cloths and lying in a manger.”

1 Corinthians 14:22

22Thus tongues are a sign not for believers but for unbelievers, while prophecy is a sign
Greek lacks  a sign
not for unbelievers but for believers.

2 Corinthians 12:12

12 dThe signs of a true apostle were performed among you ewith utmost patience, with signs and wonders and mighty works.
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