Takhrij Hadith 1471: "“Is any one of you…"

“Is any one of you unable to recite one-third of the Qur’an in a single night?” They said: “How can one recite one-third of the Qur’an?” He said: “Say: Qul huwa Allahu ahad [‘Say: He is Allah, the One’]. It is equivalent to one-third of the Qur’an.”