"This really is a watershed moment in our existence on the planet. I think it's dramatic and I'll be upfront about the fact that I used to be very much an AI skeptic, because I went into cognitive science." "I don't know whether you're another human being like I am my working assumption is that you're something like me," he says of his work with artificial neural networks. 'We could control it very well. But our ability to make intelligence has so drastically outstripped our understanding of things like minds or consciousness'