The Book Pertaining to the Merits of the Companions (Allah Be Pleased With Them) of the Holy Prophet (May Peace Be Upon Him) (Kitab Al-Fada'il Al-Sahabah)
Muslim :: Book 31 : Hadith 6003
'A'isha reported that Allah's Messenger (may peace be upon him) called his daughter Fatima (during his last illness). He said. to her something secretly and she wept. He again said to her something secretly and she laughed. 'A'isha further reported that she said to Fatima: What is that which Allah's Messenger (may peace be upon him) said to you secretly and you wept and then said to you something secretly and you laughed? Thereupon she said: He informed me secretly of his death and so I wept. He then again informed me secretly that I would be the first amongst the members of his family to follow him and so I laughed.