诗歌可以激发情感，可以观察社会，可以交流思想，可以抒发怨愤。

The ability to create and sustain large, complex organizations is one of the key factors that distinguish successful societies from unsuccessful ones.

词语不是透明不变的晶体；它是活的思想的外衣，会因使用环境和时代的不同而大幅改变其色彩和内容。