فَأَوۡجَسَ مِنۡهُمۡ خِيفَةً ۖ قَالُواْ لَا تَخَفۡ ۖ وَبَشَّرُوهُ بِغُلَٰمٍ عَلِيمٍ
(When they did not eat), He conceived a fear of them. They said, "Fear not," and they gave him glad tidings of a son endowed with knowledge.<br/>
Then he conceived, he kept secret in himself, a fear of them. They said, 'Do not be afraid!', we are messengers from your Lord. And they gave him good tidings of [the birth of] a knowledgeable boy, one endowed with much knowledge, and this was Isaac, as mentioned in soorat Hood [Q. 11:71].