The angel Gabriel gave this clear explanation to Jesus ’ mother, Mary: “Holy spirit will come upon you, and power of the Most High will overshadow you.
أَوْضَحَ ٱلْمَلَاكُ جِبْرَائِيلُ لِمَرْيَمَ أُمِّ يَسُوعَ :‏ « رُوحٌ قُدُسٌ يَأْتِي عَلَيْكِ ،‏ وَقُدْرَةُ ٱلْعَلِيِّ تُظَلِّلُكِ .‏