Abu Hurairah reported,

The Prophet ﷺ said, "No group gathers and then disperses without having remembered Allah except that they are as though they had risen from the carcass of a donkey, and that gathering will be a source of regret for them."

Ahmad 9052

Sahih

وبهذا الإسناد عن النبي ﷺ قال ما اجتمع قوم فتفرقوا عن غير ذكر الله إلا كأنما تفرقوا عن جيفة حمار وكان ذلك المجلس عليهم حسرة

أحمد 9052صحيح
Contents
Reference
Commentary
Ayat
Collection
Musnad Ahmad
Book
Abu Hurairah
Numbering
Darussalam 9052
Ahmad 9052