1499 – Abu Hurayrah reported that the Messenger of Allah, peace and blessings be upon him, said, “The supplication of any one of you is answered so long as he is not hasty, saying, ‘I have prayed to my Lord, but He has not answered me.’” Agreed upon.

In another version recorded by Muslim: “A servant’s supplication continues to be answered so long as he does not ask for something sinful or for the severing of family ties and so long as he is not hasty.” It was asked, “Messenger of Allah, what is meant by haste?” He replied, “He says, ‘I have supplicated and supplicated, yet I see no response,’ so he grows despondent and abandons supplication.”

[Commentary]
This hadith appears in the chapter on the etiquette of supplication. Abu Hurayrah, may Allah be pleased with him, relates that the Prophet, peace and blessings be upon him, said, “A response is granted to any one of you so long as he is not hasty,” meaning that a person is in fact likely to have his prayer answered unless he becomes impatient. The Prophet himself explained impatience by saying that a person remarks, “I have prayed and prayed, but…"