" Self-assurance, optimism, productivity, attachments of caritas to others, pride in our physical selves—these are all philosophies that enhance living. They are wellsprings largely of our own making, and they can grow in significance as we let their energies pour into the ever-widening, deepening channel of experience and wisdom. "

― Sherwin B. Nuland , The Art of Aging: A Doctor's Prescription for Well-Being