If you want to change gear, you must move the gearstick. If you want people to work harder, you must pay them more. If you want people to give up smoking, you must tell them it kills them. If you want people to take out pensions, you must give them a tax incentive. If you want people to pay more for your product, you must make it objectively better. If you want to improve a train journey, you must make the trains faster. If you want to improve your well-being, you must consume more resources. If you want people to get better, you must give them an active drug.
