5494. 'And one opened his sack' means a perusal. This is clear from the meaning of 'sack' as a receptacle within the natural, dealt with above in 5489; this was endowed with good that was a product of truth, 5487. 'Opening it', it is evident from the train of thought, means perusing it, for the words that follow 'to give fodder to his ass, in a lodging-place' mean when they stopped to reflect on the facts present in the exterior natural.