It doesn't mean their Book is ALL wrong, this is your interpretation.
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No it is not my postion, I am not stating you believe every word your book says about your god, while not believing the oher books. You do not.
Your books have altered and changed the other books, the same way your religion tells you their prophets had corrupted these books over time.
Only your books have less historicity then the originals. Your book is not an original. It is plagiarized.
So just to be clear here are some of the verses and then people can make their own conclusions :
Sura 4.171 O followers of the Book! do not exceed the limits in your religion, and do not speak (lies) against Allah, but (speak) the truth; the Messiah, Isa son of Marium is only an apostle of Allah and His Word which He communicated to Marium and a spirit from Him; believe therefore in Allah and His apostles
, and say not, Three. Desist, it is better for you; Allah is only one God; far be It from His glory that He should have a son, whatever is in the heavens and whatever is in the earth is His, and Allah is sufficient for a Protector.
So islam slams christianity as a whole attacking its heart and soul
Sura 6.101 Wonderful Originator of the heavens and the earth! How could He have a
son when He has no consort, and He (Himself) created everything, and He is the Knower of all things
Which is not historically accruate proving no divine inspiration. Yahweh had a consort Asherah, before monotheistic redactions of the bible.
Sura 9.30 And the Jews say: Uzair is the son of Allah; and the Christians say:
The Messiah is the son of Allah; these are the words of their mouths;
they imitate the saying of those who disbelieved before; may
Allah destroy them; how they are turned away!
religion of peace?
"And because of their breaking their covenant, We have cursed them
and made hard their hearts. They change words from their places and
have abandoned a good part of the message that was sent to them.
And you will not cease to discover deceit in them, except a few of
them. But forgive them and overlook(their misdeed). Verily! Allah
loves the kindly". The Qur'an, Al-Maidah(5):13.