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

How incessant and great are the ills with which a prolonged old age is replete.

I don't believe one grows older. I think that what happens early on in life is that at a certain age one stands still and stagnates.

Every man over forty is a scoundrel.

Alas, after a certain age every man is responsible for his face.

Youth is when you're allowed to stay up late on New Year's Eve. Middle age is when you're forced to.

Old minds are like old horses you must exercise them if you wish to keep them in working order.

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

You can't help getting older, but you don't have to get old.

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