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.

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

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

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

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

Age appears to be best in four things old wood best to burn, old wine to drink, old friends to trust, and old authors to read.

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

A diplomat is a man who always remembers a woman's birthday but never remembers her age.

Bashfulness is an ornament to youth, but a reproach to old age.