Mat 22:37i.e. Use thy noggin.
Jesus said unto him, Thou shalt love the Lord thy God with all thy heart, and with all thy soul, and WITH ALL THY MIND.Mat 22:38
This is the first and great commandment.
Here’s a thought: How about we agree to disagree?
We Catholics believe in the concept of Purgatory. You, apparently, do not. But I can promise you with great certainty that no Catholics will attempt to force you to believe what we believe.