可持续性不是一种趋势；而是我们对后代的责任。

We are all born with a certain package. We are who we are: where we were born, who we were born as, how we were raised. We're kind of stuck inside that person, and the purpose of civilization and growth is to be able to reach out and empathize a little bit with other people.

弹奏美妙的五弦琴，读滋味无穷的圣贤书。挥笔写下文章，述说那古代圣王们的教范。点评：作者表示自己归隐田园后，以著述为中心，阐明圣则。苟纵心于物外，安知荣辱之所如？我将置身于世人之外，哪管什么荣耀与耻辱？