The Prophet ﷺ said, "If you knew that which I know, you would laugh little and weep much." (Using translation from Bukhārī 6486)

عَنِ النَّبِيِّ ﷺ أَنَّهُ قَالَ لَوْ تَعْلَمُونَ مَا أَعْلَمُ لَضَحِكْتُمْ قَلِيلًا وَلَبَكَيْتُمْ كَثِيرًا