真正的企业家精神在于不断挑战现状，寻找新的机会。

在没有生命力的帮助下合成尿素是一个极其重要的事实。

The true discovery of America is before us. The true fulfillment of our spirit, of our people, of our mighty and immortal land, is yet to come.

"The most powerful stories are the ones that refuse to be forgotten."

后天是你余生的第三天。