Mishkat al-Masabih 28 Events of the Day of Resurrection and the Beginning of Creation كتاب أحوال القيامة وبدء الخلق 153

وَعَنْهُ قَالَ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ: «لَوْ أَنَّ دَلْوًا مِنْ غَسَّاقٍ يَهَرَاقُ فِي الدُّنْيَا لَأَنْتَنَ أَهْلُ الدُّنْيَا» . رَوَاهُ التِّرْمِذِيّ

He reported God’s messenger as saying, “If a bucket of the pus of the inhabitants of hell were poured into the world, the people in the world would have an offensive stench.” Tirmidhi transmitted it.