How Do Orthodox Interpret Matthew 16 18?

The bible version that's being read at liturgical services, i have to annuance that a little bit because we don't read old testament and byzantine liturgical services. The problem is is that instead of quoting the same hebrew text that jesus used a the greek church was like a, we got this nice, a reader's digest version of isaiah. So you see a lot more greek latin fathers who are really keyed in to all the implications of matthew 16 18. My belief is usually that the west has prejudice against peter as the rock which is less emphatic about pope rome,. We have two different traditions of thinking about