吃一堑,长一智

Traditional (Taiwan): 吃一塹,長一智

chīyīqiànzhǎngyīzhì ㄔ ㄧ ㄑㄧㄢˋ ㄓㄤˇ ㄧ ㄓˋ

    • to learn from one's setbacks experience is the best teacher

Sources