"I think we should be very careful about artificial intelligence. If I would guess at what our biggest existential threat is, it’s probably that. … I’m increasingly inclined to think that there should be some regulatory oversight at the national and international level just to make sure we don’t do something very foolish. With AI, we are summoning the demon."
Elon Musk at the MIT, Aero Astro 1914-2014 Centennial Symposium
October 24, 2014