Hebrews 12:20

12:20 For they could not bear what was commanded: “If even an animal touches the mountain, it must be stoned.” ¹ 

Hebrews 11:28

11:28 By faith he kept the Passover and the sprinkling of the blood, ²  so that the one who destroyed the firstborn would not touch them.

[12:20]  ¹ sn A quotation from Exod 19:12-13.

[11:28]  ² tn Grk “the pouring out of the blood.”