不經一事,不長一智

bùjīngyīshìbùzhǎngyīzhì ㄅㄨˋ ㄐㄧㄥ ㄧ ㄕˋ ㄅㄨˋ ㄓㄤˇ ㄧ ㄓˋ

    • you can't gain knowledge of something without experiencing it experience is the best teacher

Sources