Luke 12:10

10Andκαὶeveryoneπᾶςwhoὃςwill speakἐρεῖa wordλόγονagainstεἰςtheτὸνSonυἱὸντοῦof Manἀνθρώπου,it will be forgivenἀφεθήσεταιhimαὐτῷthe [one]τῷhoweverδὲagainstεἰςtheτὸHolyἅγιονSpiritπνεῦμαhaving blasphemedβλασφημήσαντιnotοὐκwill be forgivenἀφεθήσεται.

And everyone who will speak a word to the Son of Man, it will be forgiven him; but the one having blasphemed to the Holy Spirit will not be forgiven.