Oscar Wilde 
The Picture of Dorian Gray [EPUB ebook] 

Lord Henry Wotton, an opinionated man, is observing the sensitive artist Basil Hallward painting the portrait of Dorian Gray, a handsome young man who is Basil's ultimate muse. While sitting for the painting, Dorian listens to Lord Henry espousing his hedonistic world view and begins to think that beauty is the only aspect of life worth pursuing, prompting Dorian to wish that his portrait would age instead of himself…
You will always be fond of me. I represent to you all the sins you never had the courage to commit.