Al-Adab Al-Mufrad, Book 8, Hadith 144 (English) ⓘ

Abu Hurayra reported that a woman came to the Messenger of Allah, may Allah bless him and grant him peace, with a child. She said, "Make supplication for him. I have buried three children." He said, "You have built a strong barrier against the Fire."

حَدَّثَنَا عُمَرُ بْنُ حَفْصِ بْنِ غِيَاثٍ، قَالَ‏:‏ حَدَّثَنَا أَبِي، عَنْ طَلْقِ بْنِ مُعَاوِيَةَ، عَنْ أَبِي زُرْعَةَ، عَنْ أَبِي هُرَيْرَةَ، أَنَّ امْرَأَةً أَتَتِ النَّبِيَّ صلى الله عليه وسلم بِصَبِيٍّ فَقَالَتِ‏:‏ ادْعُ لَهُ، فَقَدْ دَفَنْتُ ثَلاَثَةً، فَقَالَ‏:‏ احْتَظَرْتِ بِحِظَارٍ شَدِيدٍ مِنَ النَّارِ‏.‏