Ptolemy I Soter way to master it. According to Proclus Euclid famously quipped: "Sire, there is no Royal Road to geometry." Ptolemy I Soter Ptolemy I Soter (; , "Ptolemaĩos Sōtḗr" "Ptolemy the Savior"; c. 367 BC – January 282 BC) was a companion and historian of Alexander the Great who succeeded to his empire. Ptolemy became ruler of Egypt (323–282 BC) and founded the Ptolemaic dynasty which ruled it for the next three centuries, turning Egypt into a Hellenistic kingdom and Alexandria into a center of Greek culture. Ptolemy was the son of Arsinoe of Macedon by either her husband Lagus or
Reign of Cleopatra conflicting evidence that he publicly denied fathering him but privately accepted him as his son. Cleopatra, on the other hand, made repeated official declarations about Caesarion's parentage, with Caesar as the father. She also built a Caesareum temple near the harbor of Alexandria dedicated to his worship. Cleopatra VII and her nominal joint ruler Ptolemy XIV visited Rome sometime in late 46 BC, presumably without Caesarion. They were given lodging in Caesar's Villa within the Horti Caesaris. Like he did with their father Ptolemy XII, Julius Caesar awarded both Cleopatra VII and Ptolemy XIV with the legal status of 'friend