When one door is closed, don't you know, another is open.

When you attack coal, you attack middle America.

I was born in Africa.I came to California because it’s really where new technologies can be brought to fruition， and I don’t see a viable competitor.

意志不是一种特殊的能力，而是心灵朝向明确目标的整体活动。

土地不会骗人，你付出多少它就回报多少。