质量从来不是偶然的；它始终是智慧努力的结果。

The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.

诗歌不是奢侈品，而是精神的必需品。

在城市社区运营的公司会产生巨大的连锁反应。