Revelation 5:5
5:5 Then one of the elders said to me, “Stop weeping! Look, the Lion of the tribe of Judah, the root of David, has conquered; thus he can open the scroll and its seven seals.”
Revelation 5:9
5:9 They were singing a new song: “You are worthy to take the scroll
and to open its seals
because you were killed,
and at the cost of your own blood you have purchased for God
persons from every tribe, language, people, and nation.