the condition of thinking only about yourself and what is good for you

He has to give up his egocentricity and develop the beginnings of a more altruistic point of view. 他必须放弃以自我为中心，开始培养一种更加利他主义的观点。

This is a sign of the shallow egocentricity of the modern age. 这便是现代社会浅薄的自我中心主义的表现。