How can I understand/talk to Orthodox?

I’ve been having discussions with a very well educated adherent to Orthodox Christianity. How do I answer his arguments regarding the filioque and the primacy of the pope?

Thanks.

The following links should provide some useful information in talking to Orthodox believers. If you have any further questions, please contact Catholic Answers directly.

Recommended Reading:

Why do Eastern Catholics not use Filioque in the Creed?
Filioque
Peter’s Primacy
Peter and the Orthodox

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