that the Messenger of Allah ﷺ said: "Indeed, the one who does not have the Qur'an inside him (his heart), is like the ruined house."
قَالَ رَسُولُ اللَّهِ ﷺ إِنَّ الَّذِي لَيْسَ فِي جَوْفِهِ شَيْءٌ مِنَ الْقُرْآنِ كَالْبَيْتِ الْخَرِبِ هَذَا حَدِيثٌ حَسَنٌ صَحِيحٌ