Surah At-Tawbah (9:82):

فَلْيَضْحَكُوا قَلِيلًا وَلْيَبْكُوا كَثِيرًا جَزَاءً بِمَا كَانُوا يَكْسِبُونَ

"So let them laugh a little, and they will weep much, as a recompense for what they used to earn."