领导力意味着今天做出艰难的决定，以缓解明天的挑战。
Leadership means making tough decisions today that will ease tomorrow's challenges.
The first lesson of economics is scarcity: There is never enough of anything to satisfy all those who want it. The first lesson of politics is to disregard the first lesson of economics.
I use text and image together because words alone are not enough.
科学不仅是事实的集合，也是一种思维方式。