Tafsir of Al-Ma'aarij 70:26

And those who believe in the Day of Recompense. meaning, they are sure of the Final Return (to Allah), the Reckoning and the Recompense. Therefore, they perform the deeds of one who hopes for the reward and fears the punishment. For this reason Allah says,

والذين هم من عذاب ربهم مشفقون