[Ignatz]

I'm not getting the impression that you actually have much basis for your statement. Would there have been a big problem with admitting that?

Lol! Oh no, not at all. I just didn't recall how Mary came to be free from original sin. Past experience with you would indicate that you would want a source, so I referred you the best-known source for the info: the Holy Bible.
It is available for reading online at several locations, or I can send you a copy if you like. It contains some really fascinating reading. I think you would like it.

[Virginia-American]

discussing the Immculate Conception of the BVM

...so I referred you the best-known source for the info: the Holy Bible. ...

the Catholic Encycopedia says "No direct or categorical and stringent proof of the dogma can be brought forward from Scripture."

It's actually one of those things that the Pope declared to be true (Pius IX, 1854)