 High notes that , although the bridge is strong , it will break when " Muspell 's lads " attempt to cross it , and their horses will have to make do with swimming over " great rivers . " Gangleri says that it doesn 't seem that the gods " built the bridge in good faith if it is liable to break , considering that they can do as they please . " High responds that the gods do not deserve blame for the breaking of the bridge , for " there is nothing in this world that will be secure when Muspell 's sons attack . " 
