Narrated Abu Huraira:
I heard Allah's Apostle saying, Verily Allah created Mercy. The day He created it, He made it into one hundred parts. He withheld with Him ninety-nine parts, and sent its one part to all His...
None has the right to be worshipped but Allah alone, Who has no partner. His is the dominion and His is the praise, and He is Able to do all things. We return repentant to our Lord, worshipping our Lord, and praising...
-> Read More Info: Bukhari 7/163, Muslim 2/980. The Prophet (SAW) used to say this when returning from a campaign or from Hajj.