Sahih Bukhari
Invocations
Volume: 008 / Book Number: 075 / Hadith Number: 351
Narrated Abu Huraira:
Allah's Apostle said, "None of you should say: 'O Allah, forgive me if You wish; O Allah, be merciful to me if You wish,' but he should always appeal to Allah with determination, for nobody can force Allah to do something against His Will."