"Mahmood having refreshed his troops, and understanding that at some distance stood the rich city of Mutra [Mathura], consecrated to Krishn-Vasdew, whom the Hindoos venerate as an emanation of God, directed his march thither and entering it with little opposition from the troops of the Raja of Delhy, to whom it belonged, gave it up to plunder. He broke down or burned all the idols, and amassed a vast quantity of gold and silver, of which the idols were mostly composed. He would have destroyed the temples also, but he found the labour would have been excessive; while some say that he was averted from his purpose by their admirable beauty. He certainly extravagantly extolled the magnificence of the buildings and city in a letter to the governor of Ghizny, in which the following passage occurs: "There are here a thousand edifices as firm as the faith of the faithful; most of them of marble, besides innumerable temples; nor is it likely that this city has attained its present condition but at the expense of many millions of deenars, nor could such another be constructed under a period of two centuries."...The King tarried in Mutra 20 days; in which time the city suffered greatly from fire, beside the damage it sustained by being pillaged. At length he continued his march along the course of a stream on whose banks were seven strong fortifications, all of which fell in succession: there were also discovered some very ancient temples, which, according to the Hindoos, had existed for 4000 years. Having sacked these temples and forts, the troops were led against the fort of Munj...The King, on his return, ordered a magnificent mosque to be built of marble and granite, of such beauty as struck every beholder with astonishment, and furnished it with rich carpets, and with candelabras and other ornaments of silver and gold. This mosque was universally known by the name of the Celestial Bride. In its neighbourhood the King founded an university, supplied with a vast collection of curious books in various languages. It contained also a museum of natural curiosities. For the maintenance of this establishment he appropriated a large sum of money, besides a sufficient fund for the maintenance of the students, and proper persons to instruct youth in the arts and sciences...The King, in the year AH 410 (AD 1019), caused an account of his exploits to be written and sent to the Caliph, who ordered it to be read to the people of Bagdad, making a great festival upon the occasion, expressive of his joy at the propagation of the faith."