The Prophet ﷺ said, "Whoever is struck by a calamity, then later remembers it and utters the words of returning to Allah, even after a long time has passed, Allah will record for him a reward equal to the one given on the day the calamity first struck him."
حدثنا أبو بكر بن أبي شيبة حدثنا وكيع بن الجراح عن هشام بن زياد عن أمه
قال النبي ﷺ من أصيب بمصيبة فذكر مصيبته فأحدث استرجاعا وإن تقادم عهدها كتب الله له من الأجر مثله يوم أصيب
No references are available.
Its chain of transmission is very daif. See hadith no. 959 for its defect, and it has another defect, see hadith no. 1512. Busiri said, "Its chain of transmission has weakness."