On the authority of Abdullaah Ibn 'Amr (may Allaah be pleased with them both), the Messenger of Allaah (sallallaahu alayhi wa sallam) said: "The one who reads/recites the Qur'aan in less than three days does not have understanding." Abu Daawud, At-Tirmidhee, Ibnu Maajah...Saheeh