The first erroneous assumption is that quality means goodness, or luxury, or shininess, or weight.

We can’t ignore the economic role of coal, but we also can’t ignore its environmental impact.

The future belongs to those who can adapt, innovate and inspire others to do the same.

国际政治是一项残酷而危险的事务，而且很可能继续保持这种状态。

宇宙的扭曲面——黑洞、虫洞、奇点等——是一个谜团，一个挑战我们理解的奥秘。

世界充满了神奇的事物，耐心地等待着我们的感官变得更加敏锐。