Sustainable energy solutions will define the 21st century.

In preparing for battle I have always found that plans are useless， but planning is indispensable.

I don’t think of myself as a writer who happens to be black. I think of myself as a black writer.

最大的痛苦莫过于心中有个未讲的故事。

Success is not about how much money you make, it’s about the difference you make in people’s lives.