Many of those who might grow up someday are already adults.

Most adults are adults all over except between their ears.

There is so much woman in many a girl and too much boy in many a man.

The average adult hates being treated like a child, unless it suits them.

If we had to earn our age by thinking for ourselves at least once a year, only a handful of people would reach adulthood.

Newspaper publishers profit greatly from the widespread belief that reading newspapers gives others the impression that one is smart or at least mature.

Many of the boys and men who are regarded as immature by some females are so deemed merely because they do not want to get married someday … or soon.

Some children grow up before their parents.

By drinking, a boy acts like a man. After drinking, many a man acts like a boy.