A miner’s helmet doesn’t just protect the head—it symbolizes the dignity of hard work.

Collaboration across borders and industries is the key to solving the energy challenges of our time.

"There is no such thing as a new idea. It is impossible. We simply take a lot of old ideas and put them into a sort of mental kaleidoscope. We give them a turn and they make new and curious combinations."

The only real hope is the hope of the heart.

房子、星星、沙漠，赐予它们的美丽的是一些看不见的东西。

The state is the most important institution in human society because it is the only one that can legitimately use force to maintain order.

在野外，每一个决定都可能意味着生与死的区别。