Sahih Bukhari
Invocations
Volume: 008 / Book Number: 075 / Hadith Number: 366
Narrated 'Aisha:
The boys used to be brought to the Prophet and he used to invoke for Allah's blessing upon them. Once an infant was brought to him and it urinated on his clothes. He asked for water and poured it over the place of the urine and did not wash his clothes.