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. – Samuel Ullman
Instead of bewailing a lost youth, a man nowadays begins to wonder, when he reaches my ripe age of forty-two, if ever his past will subside and be comfortably by-gone. – D.H. Lawrence (1885–1930)