Education is not just about building schools, but about ensuring children actually learn.
可持续发展不是选择，而是对后代的责任。
我们的采石场不仅生产石头，更创造机会。
The march of science and technology does not imply growing intellectual complexity in the lives of most people. It often means the opposite.
I've probably earned the right to screw up a few times. I don't want the fear of failure to stop me from doing what I really care about.