John Lennox, Dave Ruben, and Justin Brierley come together on a stage to engage in a conversation about the relationship between God and Science. CS Lewis said: Men became scientific because they expected law and nature. And they expected law and nature because they believed in the law giver. If everything is reducible to physics and chemistry, then so is your mind. But then, why would you trust your mind? Atheism taken to its logical conclusion, undermines the very rationality you need to do to trust science.