Authors:

The active, insatiate principle of self-love can alone supply the arts of life and the wages of industry; and as soon as civil government and exclusive property have been introduced, they become necessary to the existence of the human race.

Edward Gibbon (2015). “Delphi Complete Works of Edward Gibbon (Illustrated)”, p.2063, Delphi Classics
The active, insatiate principle of self-love can alone supply the arts of life and the wages of industry; and as soon as civil government and exclusive property have been introduced, they become necessary to the