Matthew 16:18-19

18And I tell you, ayou are Peter, and bon this rock
The Greek words for  Peter and  rock sound similar
I will build my church, and dthe gates of ehell
Greek  the gates of Hades
shall not prevail against it.
19I will give you gthe keys of the kingdom of heaven, and hwhatever you bind on earth shall be bound in heaven, and whatever you loose on earth shall be loosed
Or  shall have been bound . . . shall have been loosed
in heaven.”

Revelation of John 1:18

18and the living one. jI died, and behold I am alive forevermore, and kI have the keys of Death and Hades.
Copyright information for ESV