The world has the technology - either available or well advanced in the research pipeline - to feed on a sustainable basis a population of 10 billion people.

We are lonesome animals. We spend all our life trying to be less lonesome. One of our ancient methods is to tell a story begging the listener to say — and to feel — 'Yes, that's the way it is, or at least that's the way I feel it.'

Don‘t keep making the same mistakes； try to make new mistakes.

解释：教化不好，国政就难以治理。指治国治民，教化为先。