教育的目的应该是教我们如何思考，而不是思考什么——更应该是改善我们的思维，使我们能够独立思考，而不是用别人的思想来填充记忆。

煤炭的未来取决于我们能否使其更清洁、更高效。

有两种和平的**，那就是法律和礼节。

世界是一个伟大的故事，我们是其中的角色。

建筑材料的未来在于更智能、更环保且不牺牲质量的解决方案。

Children understand more than we often give them credit for.

The man who believes that the secrets of the world are forever hidden lives in mystery and fear. Superstition will drag him down. The rain will erode the deeds of his life. But that man who sets himself the task of singling out the thread of order from the tapestry will by the decision alone have taken charge of the world and it is only by such taking charge that he will effect a way to dictate the terms of his own fate.

If you are looking for something in your house， and you finally find it， when you’re done with it， don’t put it back where you found it. Put it back where you first looked for it.