"If there were no belief in god, if such a truth were ever realized, then their would be no fear of consequence. Stop for a moment and imagine what this world would be like without consequence and fear. Imagine what we could, what we would do. I dare not think of such a nightmare for it could only be born in pain."
Source : Director of the Future of Humanity Institute Nick Bostrom, Nick Bostrom (2013). “Anthropic Bias: Observation Selection Effects in Science and Philosophy”, p.1, Routledge