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

A finite world can support only a finite population; therefore, population growth must eventually equal zero.

But as population became denser, the natural chemical and biological recycling processes became overloaded, calling for a redefinition of property rights.

The optimum population is, then, less than the maximum.

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.