[Ali Imran]

This indicates that believers are expected to accept the entire message of the Quran and previous scriptures, not to pick and choose parts that suit them. Faith in Islam requires believing in all of Allah’s revealed words as a whole, without selective acceptance or rejection.

That is false. 

We can already say with confidence that your Bible has been corrupted and we don't even need to go to the Quran. 

The Bible scholars, both Christian and Jewish scholars, have already confirmed the corruption.