The sun is our most powerful tool in Africa. We must learn to work with it, not against it.

安全生产是煤炭行业的生命线，任何时候都不能放松。

The key to success is to keep growing in all areas of life - mental, emotional, spiritual, as well as physical.

Understanding the limits of computation is as important as understanding the capabilities.

当我接受自己本来的样子时，我就能改变。

I said, to the people of the Philippines whence I came, I shall return. Tonight, I repeat those words: I shall return!