miraculous conception of Jesus

قَالَ كَذَٰلِكِ قَالَ رَبُّكِ هُوَ عَلَىَّ هَيِّنٌ ۖ وَلِنَجْعَلَهُۥٓ ءَايَةً لِّلنَّاسِ وَرَحْمَةً مِّنَّا ۚ وَكَانَ أَمْرًا مَّقْضِيًّا

He said, "Thus [it will be]; your Lord says, 'It is easy for Me, and We will make him a sign to the people and a mercy from Us. And it is a matter [already] decreed.'"

وَٱلَّتِىٓ أَحْصَنَتْ فَرْجَهَا فَنَفَخْنَا فِيهَا مِن رُّوحِنَا وَجَعَلْنَـٰهَا وَٱبْنَهَآ ءَايَةً لِّلْعَـٰلَمِينَ

And [mention] the one who guarded her chastity [i.e., Mary], so We blew into her [garment] through Our angel [i.e., Gabriel], and We made her and her son a sign for the worlds.