Quote Origin: Anyone Who Believes Exponential Growth Can Go On Forever in a Finite World Is Either a Madman or an Economist

Kenneth Boulding? Paul Ehrlich? David Attenborough? Mancur Olson? Wayne H. Davis? Jay W. Forrester? John S. Steinhart? Anonymous? Question for Quote Investigator: Population size, energy use, and gross domestic product (GDP) have grown exponentially for limited time periods within some nations; however, these trends are complex. Economies sometimes shrink; per-capita energy use sometimes declines; human …

There Are Two Classes of People in the World; Those Who Divide People into Two Classes and Those Who Do Not

Neil deGrasse Tyson? Robert Benchley? Kenneth Boulding? Ross F. Papprill? Groucho Marx? Jeremy Bentham? Anonymous? Dear Quote Investigator: I enjoy humor based on clever self-referential statements, and a great example is the following: There are two kinds of people in the world: Those who divide everybody into two kinds of people, and those who don’t. …