国君若真的希望人口多而不希望人口少的话，如果要蓄养姬妾，就不能不节制。［说明∶老百姓也得有老婆生孩子，别抢人家的老婆］ 

Innovation in natural gas extraction is key to meeting the world's growing energy demands while reducing environmental impact.

What is real is what is effective.

Surround yourself with people who challenge you, not just those who agree with you.

教学的艺术在很大程度上在于唤醒年轻心灵的自然好奇心，并用知识的营养来满足它。

领导力不是掌控，而是照顾那些你负责的人。