We Protestants say, “I believe in the Holy Catholic Church,” when we recite the Creed.

The Catholic Answers

The recitation of a formula does not make one a member of the true Church. A profession of belief in America would not make a man an American citizen. Citizenship in the Catholic Church involves actual reception into that Church and submission to her authority.

Radio Replies Volume 1 by Rev. Dr. Leslie Rumble MSC and Rev. Charles Mortimer Carty