Surah Ali 'Imran 3:47

قَالَتْ رَبِّ أَنَّىٰ يَكُونُ لِى وَلَدٌ وَلَمْ يَمْسَسْنِى بَشَرٌ ۖ قَالَ كَذَٰلِكِ ٱللَّهُ يَخْلُقُ مَا يَشَآءُ ۚ إِذَا قَضَىٰٓ أَمْرًا فَإِنَّمَا يَقُولُ لَهُۥ كُن فَيَكُونُ

She said, "My Lord, how will I have a child when no man has touched me?" [The angel] said, "Such is Allāh; He creates what He wills. When He decrees a matter, He only says to it, 'Be,' and it is.

Translation: Saheeh International

Tafsir

She said ‘Lord how shall I have a child when no mortal has touched me?’ neither through conjugality or otherwise; He said the command ‘It is such that God will create from you a child without a father. God creates what He will. …

Excerpt from Tafsir al-Jalalayn, commentary on 3:47, via Quran.com. The reader has the full commentary and 9 more tafsirs.