The Prophet (sallallahu alayhi wa sallam) said, “Read the Qur’an regularly. By the One in Whose Hand Muhammad’s soul is, it escapes from memory faster than a camel does from its tying ropes.”.
عن أبي موسى رضي الله عنه عن
النبي صلى الله عليه وسلم قال: «تعاهدوا هذا القرآن فوالذي نفس محمد بيده لهو أشد تفلتًا من الإبل في عقلها». (متفق عله)
The Prophet (sallallahu alayhi wa sallam) said, “Read the Qur’an regularly. By the One in Whose Hand Muhammad’s soul is, it escapes from memory faster than a camel does from its tying ropes.”.
The Prophet (may Allah's peace and blessings be upon him) ordered the Companions to recite the Qur'an regularly and not to forget it after they had learned it by heart. He emphasized this fact by swearing that the Qur'an slips away from one's memory faster than camels tied with ropes in the middle of their foreleg. If their shepherd pays attention to them, they remain with him, and if he releases them, they go away and will be lost.
From the Encyclopedia of Translated Prophetic Hadiths, hadeethenc.com.
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