And so terrifying was the sight that Moses said, "I am exceedingly afraid and trembling." )
Hebrews 12:21
Surrounding context
12:20 (For they could not endure what was commanded: "And if so much as a beast touches the mountain, it shall be stoned or shot with an arrow."
12:21 And so terrifying was the sight that Moses said, "I am exceedingly afraid and trembling." )
12:22 But you have come to Mount Zion and to the city of the living God, the heavenly Jerusalem, to an innumerable company of angels,