Mukhtasar Bukhari

Abu Huraira (may Allah be pleased with him) narrates from the Noble Prophet (peace and blessings of Allah be upon him) that he (peace be upon him) said: "Reciting the Zabur was made so easy for Dawud (peace be upon him) that he would order his riding animals to be saddled, and before the saddling was finished, he would have completed the recitation. And he used to eat from what he earned with his own hands."