进步的关键在于坚持和好奇心。
The key to progress is persistence and curiosity.
"The world is a brutal place. My books reflect that."
The transition to cleaner energy must be practical, affordable, and reliable.
生活上，不能吃光，不能穿光，说话时留有余地；处事上，又要懂得，又要做得，遇逆境还要善于忍耐。