We must design products with their end-of-life in mind from the very beginning.

Running is not about being better than someone else. It's about being better than you used to be.

The world is dark, and light is precious.

建筑是为有意义的生活创造有意义空间的艺术。

To truly understand the universe, we must first understand the limits of our understanding.

人比自己想象的要坚强。

我们的生命有限，而知识却是无限。以有限的生命去追求无限的知识，就会精疲力尽；既然如此还去追求知识，那就只剩疲困了。做好事不贪图名利，不做不好的事触犯法律，把顺着自然规律作为常法，就可以保护自身，保全天性，养护精神，安享天年。

Grit is passion and perseverance for very long-term goals.

预测未来的最好方式就是创造未来。

Our miners are the hardest working people in America.