I really liked his answer to the last question.
He gave similar sentiments at the beginning of his talk. He takes it as a warning when he sees someone pursue entrepreneurship primarily for the material benefit, or "effect" as he puts it. Instead, he states, their motivation should come from the passion they have for changing something, or for taking part in the journey involved in doing so.
Sure, others have said this time and time again, but being a bit skeptical of him, it was impressive to hear him say that ... he gets it.