The poor dream all their lives of getting enough to eat and looking like the rich. And what do the rich dream of? Losing weight and looking like the poor.

The key to progress is persistence and curiosity.

——在遗嘱上签名，稍休后说几句话勉励各同志，1925年3月11日

To rapidly reveal the true character of a person you just met， move them onto an abysmally slow internet connection. Observe.

The most advanced technology is worthless if farmers can't use it effectively.