51:28
فَأَوْجَسَ مِنْهُمْ خِيفَةً ۖ قَالُوا۟ لَا تَخَفْ ۖ وَبَشَّرُوهُ بِغُلَـٰمٍ عَلِيمٍ
fa-awjasa min'hum khīfatan qālū lā takhaf wabasharūhu bighulāmin ʿalīmin
beginning to be afraid of them, but they said, ‘Do not be afraid.’ They gave him good news of a son who would be gifted with knowledge.
Then he conceived fear of them (when they ate not). They said: "Fear not." And they gave him glad tidings of a son having knowledge (about Allâh and His religion of True Monotheism).