Malthus has been buried many times, and Malthusian scarcity with him. But as Garrett Hardin remarked, anyone who has to be reburied so often cannot be entirely dead. – Herman E. Daly, Steady-State Economics, 1977
Your grandchildren will likely find it incredible – or even sinful – that you burned up a gallon of gasoline to fetch a pack of cigarettes! – Paul MacCready,Jr.
When the fabric of society is so rigid that it cannot change quickly enough, adjustments are achieved by social unrest and revolutions. – John Boyd Orr