"Dorian," Lord Henry said finally, “today you're young and the world is yours. Life is short and you must enjoy every minute. Pleasure is the only important thing. You're handsome now, but one day you'll be old. Your dark hair will become grey and thin, you'll have lines on your face and you won't see well any more. Then it'll be too late and you'll be sorry.”
His words made a strong impression on Dorian.
Which sentences summarises best Lord Henry's words?