[Jan_Sobieski]

Jesus Christ is the “Rock” (Petra - Massive Mountain) of our Salvation. We all are like “Peter” (Petros - Little Pebble) built on the Petra!

[OneVike]

You must have a problem with reading comprehension

[Secret Agent Man]

You are correct. Jesus called Simon “petros”, a pebble. He called Himself “petra”, on which the church was built.