The Statement of Allah the Exalted: ...And to Dāwūd (David) We gave the Zabūr (Psalms) . (V.17:55)

Hadith Number 4713

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Narrated Abu Huraira

The Prophet (ﷺ) said, "The recitation of Psalms (David's Qur'an) was made light and easy for David that he used to have his ridding animal be saddled while he would finish the recitation before the servant had saddled it."