“I'm not interested in age. People who tell me their age are silly. You're as old as you feel ”

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

“Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young. The greatest thing in life is to keep your mind young ”

“While one finds company in himself and his pursuits, he cannot feel old, no matter what his years may be”

“None are so old as those who have outlived enthusiasm ”

“If you cannot work with love but only with distaste, it is better that you should leave your work. ”