《资治通鉴·唐纪·唐纪八十一》
起初，柳璨中进士，不到四年升为宰相，生性乘巧轻浮。
初，柳璨及第，不四年为宰相，性倾巧轻佻。
In the beginning, Liu Cantu passed the Jinshi exam and became a prime minister in less than four years, and was opportunistic and frivolous in nature.