Word by Word Analysis

أَوْ يَكُونَ لَكَ بَيْتٌ مِّن زُخْرُفٍ أَوْ تَرْقَىٰ فِى ٱلسَّمَآءِ وَلَن نُّؤْمِنَ لِرُقِيِّكَ حَتَّىٰ تُنَزِّلَ عَلَيْنَا كِتَـٰبًا نَّقْرَؤُهُۥ ۗ قُلْ سُبْحَانَ رَبِّى هَلْ كُنتُ إِلَّا بَشَرًا رَّسُولًا 93

Or you have a house of ornament [i.e., gold] or you ascend into the sky. And [even then], we will not believe in your ascension until you bring down to us a book we may read." Say, "Exalted is my Lord! Was I ever but a human messenger?"