不经一事，不长一智

Explanation: Chi: wisdom, insight. Not experience a thing, you can not increase the knowledge on that matter. 　　Usage: Complex sentence; as subject, attribute; for learning from failure 　　Source: Cao Xueqin, "Dream of Red Mansions" 60 back: "As the saying goes: 'No, having learned to be wise.' I now know, what should you ask me to support it!" 　　Examples: As the saying goes :"~。" I now know, what should you ask me to support it! (Cao Xueqin, "Dream of Red Mansions," the 60th back) Thesaurus:  chiyiqian, changyizhi, After the pit, a Chilean