"The relationships between all of the tools that we use to regulate the economy (inflation measures, growth, interest rates) and the economy might not apply anymore." - Peter Zeihan (but this echoes in vein things I've heard from other over the past year or two
"For the past 500 years it's been all about figuring out how to maximize your share of a pie that is steadily growing. ... As long as there is more technology and more people growth is easy, and regulating growth in such a situation is something that we have a lot of experience in, but that's not the case anymore."