My sense of religion is Einstein's sense of relativity. I don't believe in God. I believe that energy never dies. So the possibility exists that you might be breathing in some other form of Moses or Buddha or Muhammad or Bobby Kennedy or Roosevelt or Martin Luther King or Jesus.
That's the beauty of music. You can take a theme from a Bach sacred chorale and improvise. It doesn't make any difference where the theme comes from the treatment of it can be jazz.