I don’t let mistakes define me, I let them refine me.

实验中的精确性和假设中的创造性同样重要。

We are all of us born with a unique set of potentialities, and it is our task in life to realize as many of them as possible.

A man is but the product of his thoughts. What he thinks， he becomes.

Investing in research and development is investing in the future of dairy.

The coal industry is the backbone of America.

我不害怕表明立场。每个人都来握住我的手。我们将一起走过这条路，穿越风暴。无论天气如何，寒冷或温暖。只是想让你知道，你并不孤单。如果你觉得你也走过同样的路，就大声喊出来。