Jeremiah 25:28

25:28 If they refuse to take the cup from your hand and drink it, tell them that the Lord who rules over all says ‘You most certainly must drink it!

Jeremiah 51:7

51:7 Babylonia had been a gold cup in the Lord’s hand.

She had made the whole world drunk.

The nations had drunk from the wine of her wrath.

So they have all gone mad.