age, older, attention
Alas, after a certain age every man is responsible for his face.
certain age, responsible, for his face, age
Youth is when you're allowed to stay up late on New Year's Eve. Middle age is when you're forced to.
Forty is the old age of youth, fifty is the youth of old age.
forty is old age, fifty is youth of old age
Old age comes on suddenly, and not gradually as is thought.
old age, suddenly, gradually, thought
Youth is the gift of nature, but age is a work of art.
youth, gift of nature, age is work of art