The two texts you mention contain what I consider to be fundamental Christian beliefs. Note though that there have been some very good Christians, even saintly ones, who did not believe Jesus was the "Word made flesh" during their lives on earth, e.g. Paul and the authors of the gospels according to Mark, Luke, and Matthew. And according to the Orthodox, RCs don't fully and truly "believe" in the Nicene Creed, when they insist on inserting the Filioque.

It looks like quite an imposition on your part, that you demand of me if I "believe" these things. Who are you to ask me that? What do you want that information for? What would you do with it once you have it? Why should I trust you? Are you my judge? I should add here that I challenged you earlier regarding your rhetorical expression "gift of life, God's gift," and you ignored it. So I guess you're the one who counts and gets to ask personal questions, but I don't count and should be expected to answer them. No thanks.