所谓现实只不过是一个错觉，虽然这个错觉非常持久。

The human brain is a social brain, and it evolved to deal with social relationships.

We are to remember that we are not to take anything with us out of this world, and that it is how we have conducted ourselves here that will matter in the end.

现代农业中最具革命性的工具不是机器，而是农民代代相传的知识。