Ibrani 6:17

6:17 In the same way ¹  God wanted to demonstrate more clearly to the heirs of the promise that his purpose was unchangeable, ²  and so he intervened with an oath,

Ibrani 12:20

12:20 For they could not bear what was commanded: “If even an animal touches the mountain, it must be stoned.” ³ 

[6:17]  ¹ tn Grk “in which.”

[6:17]  ² tn Or “immutable” (here and in v. 18); Grk “the unchangeableness of his purpose.”

[12:20]  ³ sn A quotation from Exod 19:12-13.