Prophet's only miracle was Quran

[Quran 10:20] They say, "How come no miracle came down to him from his Lord?" Say, "The future belongs to GOD; so wait, and I am waiting along with you."

(٢٠) وَيَقُولُونَ لَوْلَا أُنْزِلَ عَلَيْهِ آيَةٌ مِنْ رَبِّهِ فَقُلْ إِنَّمَا الْغَيْبُ لِلَّهِ فَانْتَظِرُوا إِنِّي مَعَكُمْ مِنَ الْمُنْتَظِرِينَ

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حَدَّثَنَا عَبْدُ الْعَزِيزِ بْنُ عَبْدِ اللَّهِ، حَدَّثَنَا اللَّيْثُ، عَنْ سَعِيدٍ، عَنْ أَبِيهِ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ ‏ "‏ مَا مِنَ الأَنْبِيَاءِ نَبِيٌّ إِلاَّ أُعْطِيَ مِنَ الآيَاتِ مَا مِثْلُهُ أُومِنَ ـ أَوْ آمَنَ ـ عَلَيْهِ الْبَشَرُ، وَإِنَّمَا كَانَ الَّذِي أُوتِيتُ وَحْيًا أَوْحَاهُ اللَّهُ إِلَىَّ، فَأَرْجُو أَنِّي أَكْثَرُهُمْ تَابِعًا يَوْمَ الْقِيَامَةِ ‏"‏‏.‏

Narrated Abu Huraira: The Prophet (ﷺ) said, "There was no prophet among the prophets but was given miracles because of which people had security or had belief, but what I was given was the Divine Inspiration which Allah revealed to me. So I hope that my followers will be more than those of any other prophet on the Day of Resurrection."

Sahih al-Bukhari 7274 https://sunnah.com/bukhari:7274