 However, the Amasis Painter also rejected certain trends and managed to maintain a consistency that can be traced throughout, making it difficult to date works within his lifetime.His development over the course of his career, which is loosely classified into early, middle and late phases, demonstrates the artist’s journey from novice to master.As R. M. Cook explains, "His early work is conventional and tame, but as he matures he displays a more individual assurance".