50:18
مَّا يَلْفِظُ مِن قَوْلٍ إِلَّا لَدَيْهِ رَقِيبٌ عَتِيدٌ
mā yalfiẓu min qawlin illā ladayhi raqībun ʿatīdun
He [i.e., man] utters no word except that with him is an observer prepared [to record].
— Saheeh International
he does not utter a single word without an ever-present watcher.
— M. A. S. Abdel Haleem
Not a word does he (or she) utter but there is a watcher by him ready (to record it).
— Muhammad Muhsin Khan & Muhammad Taqi-ud-Din al-Hilali