The Messenger of Allah ﷺ said, "The Jews do not envy you for anything as much as they envy you for saying ameen, so say ameen often."
حدثنا العباس بن الوليد الخلال الدمشقي حدثنا مروان بن محمد وأبو مسهر قالا حدثنا خالد بن يزيد بن صالح بن صبيح المري حدثنا طلحة بن عمرو عن عطاء
قال رسول الله ﷺ ما حسدتكم اليهود على شيء ما حسدتكم على آمين فأكثروا من قول آمين
No references are available.
Isnad classification, its isnad is very daif. Busiri said, "This isnad is daif because of their agreement on the weakness of Talha bin Amr."