Matthew 10:28
And do not be afraid of those who can kill your body but not your soul. Instead, fear Him [i.e., God] who is able to destroy both your soul and body in hell. [See note on 5:29].
Hebrews 12:20-21
For those people could not stand [hearing] the command [Ex. 19:12f], "If even an animal touches the mountain, it must be stoned [to death]."
Hebrews 12:28-29
Therefore, we should be grateful for receiving a kingdom that cannot be shaken [i.e., the church. See Col. 1:13; Rev. 1:6, 9]. So, with reverence and awe, we should serve God in a way that pleases Him,
Hebrews 13:6
So, we can say with confidence [Psa. 118:6], "[Since] the Lord is my helper, I will not be afraid [of] what people might do to me." [or, "what (harm) can people do to me?"]