Was Mary Immaculate? (Protestants say no)

I was speaking witrh a Lutheran minister as a friend and we both agreed that churches, etc should not add to the bible. Jesus warned of this. Why the do we as Catholics have the doctrine?


These links should give you the answers that you need. If you have any further questions or concerns that are not answered by this, please contact Catholic Answers directly.
Recommended Reading:
]Immaculate Conception and Assumption
]Mary: Full of Grace (Fathers)
]Mary: Mother of God (Fathers)
The following links should assist you in better understanding Mary’s perpetual virginity.
Recommended Reading:
Doesn’t Scripture imply that Mary had children other than Jesus?

Did Jesus have brothers?**
]* Perpetual Virginity: Why is this important?**
]* Mary: Ever Virgin**
]* Why should any doctrine not explicitly referred to in the Bible, be listened to?**
]* How do you respond to “Everything you need to know is in the Bible”?**
]* How can we know a doctrine is true if it’s not in the Bible?**
]* How do we know that the Protoevangelium of James is credible?**
]* Does Church Tradtion exist only to interpret Scripture?**
]* Non-Canonical Writings…**
]* Oral Traditions not found in the Bible**

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