The best time to work on your marriage is before you have one.

The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.

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？

The shale revolution has transformed the U.S. into a global energy leader.