先車の覆へすは後車の戒むる所

Reading
せんしゃのくつがへすはこうしゃのいましむるところ
English
A wise man learns from the mistakes of others
Notes
The event所 of the flipping覆 of the cart車 in front先 is a warning戒 to the cart車 in back後
Origin
proverbsKotoKen 3