Don't let the catechism lead you away from the Truth go to your Bible.
I think both can be helpful.
Seek the Truth.
That's what I've been doing more of lately.
We are in a spiritual war and we need warriors.
No doubt.
Let me ask do you see any "ands", "buts", or "maybe's" in ICor. 15:1-4?
The only source for Truth that you can trust is Scripture.