Whatever the evolutionary basis of religion, the xenophobia it now generates is clearly maladaptive.
Lawrence M. KraussThe real thing that physics tell us about the universe is that it's big, rare event happens all the time — including life — and that doesn't mean it's special.
Lawrence M. KraussMetaphysical speculation is independent of the physical validity of the Big Bang itself and is irrelevant to our understanding of it.
Lawrence M. KraussFor the record: Quantum mechanics does not deny the existence of objective reality. Nor does it imply that mere thoughts can change external events. Effects still require causes, so if you want to change the universe, you need to act on it.
Lawrence M. KraussThe illusion of purpose and design is perhaps the most pervasive illusion about nature that science has to confront on a daily basis.
Lawrence M. KraussOccam's razor suggests that, if some event is physically plausible, we don't need recourse to more extraordinary claims for its being. Surely the requirement of an all-powerful deity who somehow exists outside of our universe, or multiverse, while at the same time governing what goes on inside it, is one such claim. It should thus be a claim of last, rather than first, resort.
Lawrence M. Krauss