“Nothing is inherently and invincibly young except spirit. And spirit can enter a human being perhaps better in the quiet of old age and dwell there more undisturbed than in the turmoil of adventure.”

– Philosopher and writer George Santayana

“The older I get, the greater power I seem to have to help the world; I am like a snowball — the further I am rolled the more I gain.”

– Susan B. Anthony

“A human being would certainly not grow to be 70 or 80 years old if this longevity had no meaning for the species to which he belongs. The afternoon of human life must also have a significance of its own and cannot be merely a pitiful appendage to life’s morning.”

– Swiss psychiatrist Carl Jung

“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.”

– Henry Ford

“Nobody grows old merely by living a number of years. We grow old by deserting our ideals. Years may wrinkle the skin, but to give up enthusiasm wrinkles the soul.”

– Minister and columnist Frank Crane