We shall continue to have a worsening ecologic crisis until we reject the Christian axiom that nature has no reason for existence save to serve man. – Lynn White, Jr., "The Historical Roots of Our Ecologic Crisis," 1967

When some high-sounding institute states that a compound is harmless or a process free of risk, it is wise to know whence the institute or the scientists who work there obtain their financial support. – Lancet, editorial on the "medical-industrial complex," 1973

Dig a trench through a landfill and you will see layers of phone books like geographical strata or layers of cake…. During a recent landfill dig in Phoenix, I found newspapers dating from 1952 that looked so fresh you might read one over breakfast. – William Rathje, The Economist, 8 September 1990

We never know the worth of water till the well is dry. – Thomas Fuller, Gnomologia, 1732