Discussion of 人有悲欢离合，月有阴晴圆缺。/人有悲歡離合，月有陰晴圓缺。 [rén yǒu bēi huān lí hé, yuè yǒu yīn qíng yuán quē .] People have sorrow and joy, and they part and meet again and again. The moon dims or shines, and it waxes and wanes again and again. - Trainchinese

1 - This is a line from “Prelude to Water Melody“, by Su Dongpo.

此乃苏轼《水调歌头·明月几时有》之开篇句。