自然科学是一种通过描述自然来理解自然的尝试。

True progress in farming means leaving the land better than we found it.

The moment of betrayal is the worst, the moment when you know beyond any doubt that you've been betrayed: that some other human being has wished you that much evil.

最好的投资是投资于自己的事业。

生活对我们任何人来说都不容易。但那又怎样？我们必须有毅力，最重要的是对自己有信心。