 And he led him to Jesus. Looking at him Jesus said, You are Simon, the son of Jonah; you will be called Cephas which is translated Stone. is Aramaic for stone; πετρος is Greek for stone a small object, as opposed to a rock. The name Peter is a transliteration into English of πετρος, but since peter does not mean stone in English, to put Peter in verse 42 misses the point. 