I'm not a practising Christian Mick but this ancient advice from Buddhism has a resonance...

...the Indian scholar Arcot Krishnaswami reports that twenty-three centuries ago, King Asoka, patron of Buddhism, recommended tolerance to his subjects, on the grounds that

'cling thus, we contribute to the progress of our creed by serving others. Acting otherwise, we harm our own faith, bringing discredit upon the others. He who exalts his own belief, discrediting all others, does so surely to obey his religion with the intention of making a display of it. But behaving thus, he gives it the hardest blows. And for this reason concord is good only in so far as all listen to each other's creeds, and love to listen to them. It is the desire of the king, dear to the gods, that all creeds be illumined and they profess pure doctrines.'