"One of you is granted an answer (to his supplication) provided he does not say: 'I prayed but I was not granted an answer.'"
Sunan Abi Dawud Book 8, Hadith 69
← Previous Hadith "One of you should not say (in his supplication): O Allah, forgive me if You please, show mercy to me if You please.' Rather, be firm in your asking, for no one can force Him."

Sunan Abi Dawud Book 8, Hadith 68 Next Hadith → The Prophet (ﷺ) said: Do not cover the walls. He who sees the letter of his brother without his permission, sees Hell-fire.

Supplicate Allah with the palms of your hands; do not supplicate Him with their backs upwards. When you finish supplication, wipe your faces with them.

Abu Dawud said: This tradition has been transmitted through a different chains by Muhammad b. Ka'b; all of them are weak. The chain I have narrated is best of them; but it is also weak.

Sunan Abi Dawud Book 8, Hadith 70