True leadership is about serving others, not commanding them.

The most important political distinction among countries concerns not their form of government but their degree of government.

When you open your heart to positivity, you open your mind to possibilities.

Education is an admirable thing. But it is well to remember from time to time that nothing that is worth knowing can be taught.

可持续发展需要平衡经济效益与环境保护。

能够显示的，就不能说。