109. For this reason Egypt was cut up; and they said that this king distributed the land to all the Egyptians, giving an equal square portion to each man, and from this he made his revenue, having appointed them to pay a certain rent every year: and if the river should take away anything from any man's portion, he would come to the king and declare that which had happened, and the king used to send men to examine and to find out by measurement how much less the piece of land had become, in order that for the future the man might pay less, in proportion to the rent appointed: and I think that thus the art of geometry was found out and afterwards came into Hellas also. For as touching the sun-dial 91 and the gnomon 92 and the twelve divisions of the day, they were learnt by the Hellenes from the Babylonians. 110. He moreover alone of all the Egyptian kings had rule over Ethiopia; and he left as memorials of himself in front of the temple of Hephaistos two stone statues of thirty cubits each, representing himself and his wife, and others of twenty cubits each representing his four sons: and long afterwards the priest of Hephaistos refused to permit Dareios the Persian to set up a statue of himself in front of them, saying that deeds had not been done by him equal to those which were done by Sesostris the Egyptian; for Sesostris had subdued other nations besides, not fewer than he, and also the Scythians; but Dareios had not been able to conquer the Scythians: wherefore it was not just that he should set up a statue in front of those which Sesostris had dedicated, if he did not surpass him in his deeds. Which speech, they say, Dareios took in good part.