前车之覆,后车之鉴 (前車之覆,後車之鑒) qián chē zhī fù, hòu chē zhī jiàn

qián chē zhī fù, hòu chē zhī jiàn phrase the cart in front overturns, a warning to the following cart / draw lesson from the failure of one's predecessor / learn from past mistake
Domain: Proverb 谚语
Notes: (CC-CEDICT '前車之覆,後車之鑒')