Most people don't grow up. Most people age. They find parking spaces, honor their credit cards, get married, have children, and call that maturity. What that is, is aging.
"Hope to the last!" said Newman, clapping him on the back. "Always hope; that's dear boy. Never leave off hoping; it don't answer. Do you mind me, Nick? it don't answer. Don't leave a stone unturned. It's always something, to know you've done the most you could. But, don't leave off hoping, or it's of no use doing anything. Hope, hope, to the last!"
Though we may never be able to comprehend human life, we know certainly that it is a movement, of whatever nature it be. The existence of movement unavoidably implies a body which is being moved and a force which is moving it. Hence, wherever there is life, there is a mass moved by a force. All mass possesses inertia; all force tends to persist