To expect alien technology to be just a few decades ahead of ours is too incredible to be taken seriously. – Paul Davies
We will never fully explain the world by appealing to something outside it that must simply be accepted on faith, be it an unexplained God or an unexplained set of mathematical laws. – Paul Davies
Perhaps the best motivation for going to Mars is political. It is obvious that no single nation currently has either the will or the resources to do it alone, but a consortium of nations and space agencies could achieve it within 20 years. – Paul Davies
In science, a healthy skepticism is a professional necessity, whereas in religion, having belief without evidence is regarded as a virtue. – Paul Davies