The most important thing in life is to have a sense of purpose and to pursue it with passion.

Success in grain cultivation isn't measured just in bushels, but in the health of our soil.

科学家不是给出正确答案的人，而是提出正确问题的人。

我从来没有见过这样阴郁而又光明的日子。

我一直想成为某个人。如果我成功了，那有一半是运气，一半是才华，还有大量的努力。

我不是商人，我就是生意本身。