1 John 5:16

16Ifἐάνanyoneτιςshould seeἴδῃtheτὸνbrotherἀδελφὸνof himαὐτοῦsinningἁμαρτάνονταa sinἁμαρτίανnotμὴuntoπρὸςdeathθάνατον,he shall askαἰτήσει,andκαὶHe will giveδώσειhimαὐτῷlifeζωήν,to thoseτοῖςsinningἁμαρτάνουσινnotμὴuntoπρὸςdeathθάνατον.There isἔστινa sinἁμαρτίαuntoπρὸςdeathθάνατον·notοὐconcerningπερὶthatἐκείνηςdo I sayλέγωthatἵναhe should imploreἐρωτήσῃ.

If anyone should see his brother sinning a sin not unto death, he shall ask, and He will give to him life—to those sinning not unto death. There is a sin unto death; I do not say that he should implore concerning that.