Forty is the old age of youth fifty the youth of old age.

Forty is the old age of youth, fifty is the youth of old age.

Age is an issue of mind over matter. If you don't mind, it doesn't matter.

Growing old is no more than a bad habit which a busy person has no time to form.

I will never be an old man. To me, old age is always 15 years older than I am.

Youth is the gift of nature, but age is a work of art.

Every man over forty is a scoundrel.

Growing old is no more than a bad habit which a busy person has no time to form.

Forty is the old age of youth fifty the youth of old age.

Old age comes on suddenly, and not gradually as is thought.