What most persons consider as virtue, after the age of 40 is simply a loss of energy.

None are so old as those who have outlived enthusiasm.

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

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

As I grow older, I pay less attention to what men say. I just watch what they do.

Every man over forty is a scoundrel.

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

Old age is like everything else. To make a success of it, you've got to start young.

An archaeologist is the best husband a woman can have. The older she gets the more interested he is in her.

None are so old as those who have outlived enthusiasm.