I spoke last weekend at a church camp on "the opportunities and challenges of reaching post-Christian Australia." The main theme of my talks was the need to have a sufficiently basic, therefore flexible, understanding of the gospel and the Christian faith in general – an adequately simple yet rich ‘theology’ – to engage with the diverse, often contradictory, alternate systems of belief and behaviour which people believe in, and therefore live by, today. I analysed three broad forms of belief and their associated ways of life: atheism, non-religious ‘spirituality,’ and organised ‘religion.’ The overarching message of the three talks was that ‘religion’ is the only stable option of the three, and that we therefore need to prepare to engage with the coming religious resurgence. Because God really exists, atheism is radically wrong – it is wrong about the fundamental, foundational realities of the universe, therefore wrong about everything else – and is therefore unsurprisingly...