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"The optimum population is, then, less than the maximum."
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"We are 5 percent of the global population and consume a third of the total resources - on some level we should all feel guilty relative to the world."

"You wouldn't believe how the town was named for me. I was met by the whole population, headed by the mayor."

"Population, when unchecked, goes on doubling itself every 25 years or increases in a geometrical ratio."

"Three-quarters of the world's population doesn't have enough to eat!"

"There is a very large chunk of our population who firmly believe in extraterrestrials."

"I have just joined the Board of the Population Institute because I am convinced that early stabilization of the world's population is important for the attainment of this objective."

"Still, whether we like it or not, the task of speeding up the decrease of the human population becomes increasingly urgent."

"Licences to have babies incidentally is something that I got in trouble for some years ago for suggesting even in Canada that this might be necessary at some point, at least some restriction on the right to have a child."

"Population, when unchecked, increases in a geometrical ratio."

"The divergence of songs in the new population away from those in the progenitor population would only be prevented if these processes were balanced by repeated immigration and subsequent breeding: song flow."
Explore more quotes by Garrett Hardin

"The Universal Declaration of Human Rights describes the family as the natural and fundamental unit of society. It follows that any choice and decision with regard to the size of the family must irrevocably rest with the family itself, and cannot be made by anyone else."

"The rational man finds that his share of the cost of the wastes he discharges into the commons is less than the cost of purifying his wastes before releasing them."

"Using the commons as a cesspool does not harm the general public under frontier conditions, because there is no public, the same behavior in a metropolis is unbearable."

"Education can counteract the natural tendency to do the wrong thing, but the inexorable succession of generations requires that the basis for this knowledge be constantly refreshed."

"Of course, a positive growth rate might be taken as evidence that a population is below its optimum."

"A coldly rationalist individualist can deny that he has any obligation to make sacrifices for the future."

"It is a mistake to think that we can control the breeding of mankind in the long run by an appeal to conscience."

"Indeed, our particular concept of private property, which deters us from exhausting the positive resources of the earth, favors pollution."
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