The letter Qaaf 50:18
مَّا يَلْفِظُ مِن قَوْلٍ إِلَّا لَدَيْهِ رَقِيبٌ عَتِيدٌ
Man does not utter any word except that with him is an observer prepared [to record].
Saheeh International
Drag this handle, or press the left or right arrow to place the verse beside the commentary, and the up arrow to put it back above.