Hebrews 12:21

21Andκαί,soοὕτωfearfulφοβερὸνwasἦνthe thingτὸappearing [that]φανταζόμενον,MosesΜωϋσῆςsaidεἶπεν·Greatly afraidἜκφοβόςI amεἰμιandκαὶtremblingἔντρομος.

And the thing appearing was so fearful [that] Moses said, “I am greatly afraid and trembling.”