Surah Al-Mu'minun 23:50

وَجَعَلْنَا ٱبْنَ مَرْيَمَ وَأُمَّهُۥٓ ءَايَةً وَءَاوَيْنَـٰهُمَآ إِلَىٰ رَبْوَةٍ ذَاتِ قَرَارٍ وَمَعِينٍ

And We made the son of Mary and his mother a sign and sheltered them within a high ground having level [areas] and flowing water.

Translation: Saheeh International

Tafsir

And We made the son of Mary Jesus and his mother a sign — He did not say ‘two signs’ because the same sign is in both of them his being born without his mother’s having a male spouse. …

Excerpt from Tafsir al-Jalalayn, commentary on 23:50, via Quran.com. The reader has the full commentary and 9 more tafsirs.