36 Fantastic 50th Birthday Sayings: 50 year old; one owner; needs parts; make offer. ~Unknown Author Nature gives you the face you have at twenty, but it's up to you to merit the face you have at fifty. ~ Coco Chanel Looking fifty is great--if you're sixty. ~ Joan Rivers 50th birthday quote Forty is the old age of youth; fifty is the youth of old age. ~French Proverb The heyday of woman's life is the shady side of fifty. ~ Elizabeth Cady