https://www.bbc.com/zhongwen/articles/c9d51p355jdo/trad
https://www.thenewslens.com/article/247427
2020/06/16 【慢慢讀，詩】許水富∕時間
https://www.hk01.com/%E7%A4%BE%E6%9C%83%E6%96%B0%E8%81%9E/976115/%E5%85%A7%E5%9C%B0%E7%A6%81%E4%B8%80%E5%8D%A1%E5%85%A9%E8%9
https://n.kinliu.hk/kinliuct/%E9%99%B3%E5%A5%95%E8%BF%85%E6%9B%BC%E8%B0%B7%E6%BC%94%E5%94%B1%E6%9C%83%E5%8F%96%E6%B6%88%EF%B