Commentators explain that John summarizes worldliness into three categories. 1) 'The lust of the flesh' refers to indulging our physical appetites, from sexual sin to gluttony and general selfishness. 2) 'The lust of the eyes' is the craving for what we see, including greed for possessions and being captivated by outward appearances. 3) 'The pride of life' is boastful ambition, finding one's identity and worth in status, possessions, or reputation rather than in God.