How so? First, by performing the miracle of transferring the life of his beloved heavenly Son to the womb of a virgin so that he could be born as a perfect human.
لَقَدْ نَقَلَ حَيَاةَ ٱبْنِهِ ٱلسَّمَاوِيِّ ٱلْحَبِيبِ بِأُعْجُوبَةٍ إِلَى رَحِمِ عَذْرَاءَ لِيُولَدَ إِنْسَانًا كَامِلًا .‏