A diplomat is a man who always remembers a woman's birthday but never remembers her 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
Age appears to be best in four things old wood best to burn, old wine to drink, old friends to trust, and old authors to read.