Hebrews 7:9

7:9 And it could be said that Levi himself, who receives tithes, paid a tithe through Abraham.

Hebrews 9:20

9:20 and said, “This is the blood of the covenant that God has commanded you to keep.”

Hebrews 12:21

12:21 In fact, the scene was so terrifying that Moses said, “I shudder with fear.”