Abu Hurayra reported that the Messenger of Allah, may Allah bless him and grant him peace, said, “No Muslim who has had three of his children die young will enter the Fire, except to expiate an unfulfilled oath.”
It was narrated from Anas that The Prophet [SAW] said: “There are three things, whoever attains them will find therein the sweetness of Islam: When Allah [SWT] and His Messenger [SAW] are dearer to him than all else; when he loves a person and only loves him for the sake of Allah [SWT]; and when he would hate to go back to disbelief as much as he would hate to be thrown into the fire.” (Sahih)
Abu Burdah bin Abi Musa narrated from his father that the Messenger of Allah said “Three will receive their reward twice: A slave who fulfills the rights of Allah and the rights of his owners, then he will be given his reward twice. And a man who has a beautiful slave girl, so he teaches her good manners, then he frees her, then he married her seeking the Face of Allah by that; then he will be given his reward twice. And a man who believed in an earlier Book, then another Book came to him and he believed in it; then he will be given his reward twice.” (Sahih)
It was narrated that Abu Hurairah said “A woman came to the Messenger of Allah with a son of hers who was ill and said: ‘O Messenger of Allah, I fear for him, and I have already lost three.’ The Messenger of Allah said: “You have a great protection against the Hellfire.” (Sahih)
Narrated Umm Salamah said, one of the Muslims asked, and Zubair reported: Umm Salamah (herself) asked: Messenger of Allah. I am a women who keeps her hair closely plaited; should I undo it when I wash after sexual defilement? He replied (no), it is enough for you to throw three handfuls over it. Then pour water over all your body and will be purified.