قَالَ رَبِّ ٱجْعَل لِّىٓ ءَايَةًۭ ۖ قَالَ ءَايَتُكَ أَلَّا تُكَلِّمَ ٱلنَّاسَ ثَلَٰثَةَ أَيَّامٍ إِلَّا رَمْزًۭا ۗ وَٱذْكُر رَّبَّكَ كَثِيرًۭا وَسَبِّحْ بِٱلْعَشِىِّ وَٱلْإِبْكَٰرِ
Qaala Rabbij 'al leee Aayatan qaala Aaayatuka allaa tukalliman naasa salaasata ayyaamin illa ramzaa; wzkur Rabbaka kaseeranw wa sabbih bil'ashiyyi wal ibkaar
He said, "My Lord, make for me a sign." He Said, "Your sign is that you will not [be able to] speak to the people for three days except by gesture. And remember your Lord much and exalt [Him with praise] in the evening and the morning."
Quran 3:41. Arabic: Uthmani text (Tanzil). English: Sahih International.