Sunan Ibn Majah
3783
Sahih+3

It was narrated from Ibn Umar that the Messenger of Allah(ﷺ) said:"The likeness of the Quran is that of a hobbled camel. If its owner ties its rope, he will keep it, but if he loosens its rope it will go away

SahihAl-Albani
SahihMuhammad Fouad Abd al-Baqi