Kitāb al-Muʾmin
Hadith 77 - عن أحدهما (ع) قال: ما مِن عبدٍ مسلم ابتلاه الله (جلّ جلاله) بمكروهٍ وصَبر إلاّ كتبَ اللهُ له أجرَ ألفِ شهيدٍ
7. It has been narrated that one of the two (al-Baqir or al-Sadiq) (a.s) said: “Any Muslim servant, who is tried by Allah with a misfortune and bears patience, will receive the reward of one thousand martyrs.”