The only limits you have are the limits you believe.

The dairy industry must lead in environmental stewardship.

If you want a picture of the future, imagine a boot stamping on a human face—forever.

I was no good at art, so I thought I'd better be an artist.

Success comes from focusing on solutions, not dwelling on problems.

找出生活中你想要什么的最好方法是尝试一切。

"I'm not perfect, but I'm perfectly me."

科学家最重要的品质是好奇心——理解事物如何运作的欲望。