I would say that "debates" with believers in general are pointless. You will hear the same old shit again and chance of convincing your oponent are slim at best. Time wasted on such "discussion" could be used on expanding one knowledge.
The first revolt is against the supreme tyranny of theology, of the phantom of God. As long as we have a master in heaven, we will be slaves on earth.
Mikhail Bakunin.
Mikhail Bakunin.