Actually believing that their (long refuted) philosophical arguments for the existence of 'God' should be convincing to anyone with a working brain cell.
You know the list: Kalam, TAG, ontological...
You know the list: Kalam, TAG, ontological...
You'd believe if you just opened your heart" is a terrible argument for religion. It's basically saying, "If you bias yourself enough, you can convince yourself that this is true." If religion were true, people wouldn't need faith to believe it -- it would be supported by good evidence.