Shakespeare dedicates a bunch of sonnets to a young man. His identity is still a mystery.........................

SHALL I COMPARE THEE TO A SUMMER'S DAY

How does Shakespeare celebrate on immortalise the beauty of his friend in his sonnet No. 48 ?

Shakespeare dedicates a bunch of sonnets to a young man. His identity is still a mystery.But it is crystal clear that the poet loves and admires the young man. He is a boy of charming physical beauty. His graceful appearance speakers volumes of his virtues. 

The poet celebrates his beauty in this sonnet too. First he draws a comparison between his friend and the season of summer. But he finds that summer is only short-lived. It's beauty is affected by violent winds. Besides, summer sun often grows too hot to be bearable. But the poet's friend is of eternal beauty The poet glorifies it in his poetry. And he is confident of the eternity of his poetry. Naturally the man will love for good through the poet's sonnet. In this way Shakespeare immortalises his friends beauty.