Qaf 50:18
مَّا يَلْفِظُ مِن قَوْلٍ إِلَّا لَدَيْهِ رَقِيبٌ عَتِيدٌ
Ma yalfithu min qawlinilla ladayhi raqeebun AAateed
He [i.e., man] utters no word except that with him is an observer prepared [to record].
Not a single word is uttered by one but there is a watcher near him, ready (to record).