On a serious note, Messi doesn't need a world cup.
Few days ago I have seen an Afgan child, who has put a jersey made of up polythene just becoz his father doesn't have that money to buy him a new jersey of Messi. he wrote Messi's name by charcoal. Its the utter sign of love which is greater than any cup that exists in this earth.
(
A very few player in the universe were lucky enough to get this unearthly respect. And i felt amazed.