To expect alien technology to be just a few decades ahead of ours is too incredible to be taken seriously. – 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
The way life manages information involves a logical structure that differs fundamentally from mere complex chemistry. Therefore chemistry alone will not explain lifes origin, any more than a study of silicon, copper and plastic will explain how a computer can execute a program. – Paul Davies
Cosmologists have attempted to account for the day-to-day laws you find in textbooks in terms of fundamental superlaws, but the superlaws themselves must still be accepted as brute facts. So maybe the ultimate laws of nature will always be off-limits to science. – Paul Davies