Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.

You have to be willing to fail in order to succeed.

耳朵是负责听的，听了之后再加以审察，这叫做聪明。

Small farms can have a big impact when given the right tools and knowledge.

最好的投资是商业模式的持久性。