[zhāo wén xī sǐ]   

朝    闻    夕    死    早晨闻道，晚上死去。形容对真理或某种信仰追求的迫切。

早晨闻道，晚上死去。形容对真理或某种信仰追求的迫切。出自《论语·里仁》：“朝闻道，夕死可矣。”

One is even willing to die in the evening if he could hear the truth in the morning

朝夕相处    朝梁暮周    朝种暮获    朝锺暮鼓    朝不谋夕