growing old. age, habit,
Forty is the old age of youth, fifty is the youth of old age.
forty is old age, fifty is youth of old age
A diplomat is a man who always remembers a woman's birthday but never remembers her age.
Forty is the old age of youth fifty the youth of old age.
old age of youth fifty the youth
Old age comes on suddenly, and not gradually as is thought.
old age, suddenly, gradually, thought