Albert Allen Bartlett

"We must realize that growth is but an adolescent phase of life that stops when physical maturity is reached. If growth continues after maturity, it is called obesity or cancer. Prescribing growth as the cure of the energy crisis has all the logic of prescribing gluttony as a remedy for obesity or prescribing cancer as the cure for carcinoma."

"The greatest shortcoming of the human race is man's inability to understand the exponential function."

"Can you think of any problem in any area of human endeavor on any scale, from microscopic to global, whose long-term solution is in any demonstrable way aided, assisted, or advanced by further increases in population, locally, nationally, or globally?""