Sima Guang (1019-1086), politician and historian of Northern Song, author of Comprehensive Mirror for aid in Government 資治通鑒|资治通鉴
资治通鉴
Zī zhì Tōng jiàn
A Mirror for the Wise Ruler (or Comprehensive Mirror for Aid in Government), a vast chronological general history, written by 司馬光|司马光[Si1 ma3 Guang1] Sima Guang (1019-1089) and collaborators during the Northern Song in 1084, covering the period 403 BC-959 AD, 294 scrolls
lit. flowers in a mirror and the moon reflected in the lake (idiom) / fig. an unrealistic rosy view / viewing things through rose-tinted spectacles / also written 水月鏡花|水月镜花
lit. the story of the broken mirror of Princess Lechang 樂昌公主|乐昌公主[Le4chang1 Gong1zhu3] (In the tale, the princess and her husband, fearing separation during the turbulence of war, broke a bronze mirror in half. They each kept one half as a token, with the promise to reunite by matching the pieces together. They were indeed separated, but eventually reunited, with the mirror playing a crucial role in their reunion.) (idiom) / fig. the reunion of separated lovers or the restoration of a relationship
jìng