The two men who had a big fight just now have become good friends in the world. How to express it in idioms?

Interpreting metaphorical war as peace.

The source of "Huai Nan Zi Yuan Dao Xun" is: "The former city of three monks in Xia Ying was betrayed by the governors, and there was treachery overseas. I know the chaos in the world, the bad city, the exhaustion of property, the burning of armor and soldiers, the kindness, the service of overseas guests, the acceptance of the post of four foreigners, the unification of princes in the mountains, and the jade and silk in various countries. "

Thirty or fifty thugs, after being told everything, drink a bowl of tea and eat a bowl of carrion noodles, which is enough. (Act I of Laoshe Teahouse)