Matthew 16:17-18

17And Jesus answered him, aBlessed are you, bSimon Bar-Jonah! For cflesh and blood has not revealed this to you, dbut my Father who is in heaven. 18And I tell you, eyou are Peter, and fon this rock
The Greek words for  Peter and  rock sound similar
I will build my church, and hthe gates of ihell
Greek  the gates of Hades
shall not prevail against it.

John 1:42

42He brought him to Jesus. Jesus looked at him and said, You are Simon the son of kJohn. You shall be called lCephas (which means mPeter
 Cephas and  Peter are from the word for rock in Aramaic and Greek, respectively
).

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