Ibrani 2:2

2:2 For if the message spoken through angels ¹  proved to be so firm that every violation ²  or disobedience received its just penalty,

Ibrani 12:19

12:19 and the blast of a trumpet and a voice uttering words ³  such that those who heard begged to hear no more. ⁴ 

Ibrani 13:7

13:7 Remember your leaders, who spoke God’s message to you; reflect on the outcome of their lives and imitate their faith.

[2:2]  ¹ sn The message spoken through angels refers to the OT law, which according to Jewish tradition was mediated to Moses through angels (cf. Deut 33:2; Ps 68:17-18; Acts 7:38, 53; Gal 3:19; and Jub. 1:27, 29; Josephus, Ant. 15.5.3 [15.136]).

[2:2]  ² tn Grk “through angels became valid and every violation.”

[12:19]  ³ tn Grk “a voice of words.”

[12:19]  ⁴ tn Grk “a voice…from which those who heard begged that a word not be added to them.”