幸福不是现成的东西，它来自于你自己的行动。

What do we call visible light? We call it color. But the colors are only the names we give to the way light behaves when it hits something.

书籍是代际之间的桥梁。

Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.

Quality is free. It's not a gift, but it's free. What costs money are the unquality things -- all the actions that involve not doing jobs right the first time.

能源转型需要技术突破和系统创新。

"The magic of reading is that it allows us to live a thousand lives."

幸福不是拥有你想要的，而是想要你拥有的。