diplomat, remember
Forty is the old age of youth, fifty is the youth of old age.
forty is old age, fifty is youth of old age
Youth is when you're allowed to stay up late on New Year's Eve. Middle age is when you're forced to.
None are so old as those who have outlived enthusiasm.
old as those who have outlived
Old age is like everything else. To make a success of it, you've got to start young.
Old age comes on suddenly, and not gradually as is thought.
old age, suddenly, gradually, thought