10. The wars waged by Ptolemy II. were limited to those against Antiochus II. of Syria, and Magas of Cyrene, half-brother to the Egyptian king; the former sprung out of the latter. Luckily for Egypt, Ptolemy II. was of a weak constitution, and by his state of health was incapacitated from commanding his armies in person.--Under his reign the first foundation was laid, by means of reciprocal embassies, of that connection with Rome which afterwards decided the fate of Egypt. Magas had, after the defeat of Ophellas, received Cyrene, 308. He had married Apame, daughter of Antiochus I., and in 266 had raised the standard of rebellion with the intention of invading Egypt itself, when an insurrection in Marmarica compelled him to retreat; he contrived, notwithstanding, to prevail upon his father-in-law to undertake an expedition against Egypt, which, however, was frustrated by Philadelphus, 264. To terminate this contest, Magas was about to unite his daughter Berenice with the eldest son of Philadelphus; Apame, wishing to thwart the negotiation, fled over to her brother, Antiochus II. whom, after her husband's death, 258, she excited to a war against Egypt, which closed in 252.--The embassy to Rome originated in the victory won by the Romans over Pyrrhus, 273; it was answered by another from the Romans, 272. 11. The son inherited from his father all but the simplicity of domestic life: under the reign of Philadelphus, the court was first thrown open to that effeminate luxury, which soon wrought the destruction of the Ptolemies as it had previously done that of the Seleucidae; at the same time was introduced the pernicious practice of intermarriages in the same family, by which the royal blood was more foully contaminated here even than in Syria. Philadelphus set the first example, by repudiating Arsinoe the daughter of Lysimachus, and then marrying his own sister, likewise named Arsinoe; this princess preserved her influence over the king as long as she lived, although she did not bring him an heir, but adopted the children of her predecessor. 12. Ptolemy III. surnamed Evergetes. Under him, Egypt, from being merely mercantile, assumed the character of a conquering state; notwithstanding his warlike spirit, he was not uninspired with that genius for the arts of peace peculiar to his family. His conquests were directed partly against Asia in the war with Seleucus II. and extended as far as the borders of Bactria; and partly, it is probable, against the interior of Ethiopia, and the western coast of Arabia. Countries so wealthy, and with which commerce had made men so well acquainted, could hardly escape the arms of such a formidable power as Egypt; yet she seems to have made scarcely any other use of this extension of territory, than to insure the safety of her commercial routes.