قال ابن القيم رحمه الله :
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الذكر هو باب الله الأعظم المفتوح بينه وبين عبده مالم يغلقه العبد بغفلته
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- مدارج السالكين
Ibn al-Qayyim رحمة الله عليه said:
Dhikr is the greatest open door (of opportunity to draw close to Allah) between Him سبحانه و تعالى and His slave, as long as the slave does not close it with his negligence.