可持续性不是成本；而是对相关性和持久性的投资。

The behavior of the whole cannot be predicted from the behavior of its parts taken separately.

人们雕刻东西，如果半途而废，即使是腐烂的木头也不能刻断；如果坚持到底，即使是金属或者石头都能雕空。

The true measure of agricultural success is not just yield, but resilience.

I try to leave every place a little better than I found it.

每个问题都有两面性。