“Anyone who believes in indefinite growth in anything physical, on a physically finite planet, is either mad or an economist.”

“Anyone who believes that exponential growth can go on forever in a finite world is either a madman or an economist.”

“All this talk about artificial intelligence is really just hype, it will take at least fifty years before we have to let them vote.”

“Physical strength is 50% physical and 50% mental. You can have all the muscles in the world but if you believe you can not lift a feather you will not be able to do so.”

“Frugality is one of the most beautiful and joyful words in the English language, and yet one that we are culturally cut off from understanding and enjoying. The consumption society has made us feel that happiness lies in having things, and has failed to teach us the happiness of not having things.”

“I believe there is something on this earth that you desire more than anything, and it isn't me.”

“Economists are generally negligent of their heroes.”