None are so old as those who have outlived enthusiasm.

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

I don't feel old. I don't feel anything till noon. That's when it's time for my nap.

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

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

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

Wrinkles should merely indicate where smiles have been.

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

Age is not a particularly interesting subject. Anyone can get old. All you have to do is live long enough.

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