'Abdullah b. 'Umar reported Allah's Messenger (ﷺ) as saying: The example of a man who has memorised the Qur'an is like that of a hobbled camel. If he remained vigilant, he would be able to retain it (with him), and if he loosened the hobbled camel it would escape.

لا تلتقي أسانيد هذه الأحاديث عند راوٍ واحد، وهي على ٧ رواة في أعلاها.