The price of freedom is eternal vigilance.

I don't compete with anyone. I compete with myself.

I went to the woods because I wanted to live deliberately,I wanted to live deep and suck out all the marrow of life, To put to rout all that was not life, and not when I had come to die, Discover that I had not lived.

最好的建筑是那种消失的建筑，只留下体验。

石油开采的创新不是可选项，而是满足世界能源需求的必要条件。