| − | In his old age Ptolemy I ceded the throne to his son [[Ptolemy II Philadelphus|Philadelphus]] and wrote his history on the life of Alexander and founded the Great Library of Alexandria which quickly came to supersede the then greatest library at Pergamos. | + | In his old age [[Ptolemy I Soter|Ptolemy I]] ceded the throne to his son [[Ptolemy II Philadelphus|Philadelphus]] and dedicated the remainder of his years to the construction of the Great Library of Alexandria which came to supersede the library at [[Pergamos]]. As part of this project he wrote his own history on the life of Alexander, which [[Quintus Curtius Rufus|Quintus]] prized as the "most trustworthy"<ref> Quintus Curtius Rufus, History of Alexander, 1.1, translated by J.C. Rolfe</ref> source on the history of [[Alexander the Great]]. |