قالَ عِفريتٌ مِنَ الجِنِّ أَنا آتيكَ بِهِ قَبلَ أَن تَقومَ مِن مَقامِكَ ۖ وَإِنّي عَلَيهِ لَقَوِيٌّ أَمينٌ

A powerful one from among the jinn said, "I will bring it to you before you rise from your place, and indeed, I am for this [task] strong and trustworthy."