Pre-History: "Boy lazy. He no wait sky fire. He rub sticks. Make flame."
Stone Age: "Man-child is lazy. He uses bow-drill to start fire. He is losing the old ways."
Medieval Era: "Methinks yonder child dost laze about. He summons flame with flint and steel."
Age of Enlightenment: "My son has grown complacent from the new technology of sulfur matches."
Victorian Era: "The kid can't even be bothered to strike a match. He just flicks his lighter."
Modern Era: "Kids today are dependent on calculators. The can't do math the old-fashioned way."