[B-Chan]

And I say also unto thee, That thou art Peter [petros--a little stone], and upon this rock [petra--a massive rock--Christ]...

Nope. Christ spoke to St. Peter in Aramaic, not in the common Greek into which the Gospel was translated. Christ did not use the Greek words petros (petros) or petra (petra) when speaking to Peter; in Aramaic, Christ called Peter kepha, which means a large rock, a cliff, a mountain, etc.

"[T]hou art Kepha (rock), and upon this kepha (rock) I will build My Kingdom...", Our Lord said to Peter -- while standing next to the biggest "rock" in Galilee, Mt. Carmel, just to hammer His point home.

[Steve_Seattle]

"petros . . . petra"

My Greek is rusty, but I think your reply to CPA is correct. I do not think petros and petra are two different words (little stone vs. massive rock) in Greek, as CPA claimed, but the same word in a different case. Petros is used as a subject, whereas petra is the object of a preposition, and I think the word has a different ending depending how it is used in the sentence.

[rwfromkansas]

Sorry. The Bible is written in Greek.