forty is old age, fifty is youth of old age
Old age has deformities enough of its own. It should never add to them the deformity of vice.
Old age comes on suddenly, and not gradually as is thought.
old age, suddenly, gradually, thought
Forty is the old age of youth fifty the youth of old age.
old age of youth fifty the youth
Age is not a particularly interesting subject. Anyone can get old. All you have to do is live long enough.
age, interesting, live long enough