We trust the scripture. You trust the church.
It's an understandable (inevitable?) disagreement over authority.
We, of course, are right.
:>)
*Actually, without you realising it, YOU trust the Church too. She is the SOLE reason you have the New Testament.
As for we Catholics, we don't shackle ourselves to a 16th century heresy we have
Scripture, Tradition, and Magisterium, the Triune God's Triumphant Threefold Treatise on Truth