It is reported from the Prophet ﷺ that he said, "Do not be persistent in begging. Whoever extracts something from us through such persistence will find no blessing in it."
يرفع إلى النبي ﷺ قال: لا تلحفوا بالمسألة، فإنه من يستخرج منا بها شيئا لا يبارك له فيه.
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Abu Yaala (5628) narrated it from Ubaydullah bin Umar Qawariri, who said, Hammad narrated to us, from Amr, Hammad said, and Layth, from Amr, from Ibn Umar, and he mentioned it. Its chain of transmission is sahih.Haythami said in Majma (3/95), "Abu Yaala narrated it, and its narrators are the narrators of the Sahih."