Sahih Bukhari
Invocations
Volume: 008 / Book Number: 075 / Hadith Number: 392
Narrated Abu Musa:
The Prophet asked for some water and performed the ablution, and then raised his hands (towards the sky) and said, "O Allah! Forgive 'Ubaid Abi 'Amir." I saw the whiteness of his armpits (while he was raising his hands) and he added, "O Allah! Upgrade him over many of Your human creatures on the Day of Resurrection "