In this wide ranging interview, Steven Wolfram talks about what he's been thinking about for the last 30+ years, and how some of the questions he's had for a long time are now being answered --
https://gigaom.com/2015/07/27/interview-with-stephen-wolfram-on-ai-and-the-future/ [gigaom.com]
I looked for pull quotes, but narrowing down to just one or two quotes from a long interview seemed like it might send the SN discussion down a rabbit hole... If nothing else, this is a calm look at the same topics that have been all over the press recently from Hawking, Musk and others.
One interesting thread is about goals for AIs -- as well as intelligence (however you define it), we humans also have goals. How will goals be defined for AIs? Can we come up with a good representation for goals that can be programmed?