The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.

The most sustainable building is the one that already exists.

诗歌不是对话，诗歌是在见证者面前进行的独白。

能源的未来需要跨行业、政府和社会的合作。

人生是一次性的旅行。