Age is a case of mind over matter. If you don't mind, it don't matter.
Age is whatever you think it is. You are as old as you think you are.
Age is no barrier. It's a limitation you put on your mind.
Youth is the time of getting, middle age of improving, and old age of spending.
Age wrinkles the body. Quitting wrinkles the soul.
Do not regret growing older. It is a privilege denied to many.

Age is opportunity no less than youth itself, though in another dress.

Age is not how old you are, but how many years of fun you've had.
Age is just a number. It's totally irrelevant unless, of course, you happen to be a bottle of wine.
Age is an issue of mind over matter. If you don't mind, it doesn't matter.
Age is a matter of feeling, not of years.
Age is an issue of mind. The trick is to keep it from becoming a problem.
Age is opportunity no less than youth itself.
You are never too old to set another goal or to dream a new dream.
The older I grow, the more I distrust the familiar doctrine that age brings wisdom.

With age, comes wisdom. With travel, comes understanding.
The great thing about getting older is that you don't lose all the other ages you've been.
Youth is the gift of nature, but age is a work of art.
Age does not protect you from love. But love, to some extent, protects you from age.
Do not grow old, no matter how long you live. Never cease to stand like curious children before the Great Mystery into which we were born.