… is from page 283 of the 1992 Liberty Fund collection of some of William Graham Sumner’s best essays, On Liberty, Society, and Politics (Roger C. Bannister, ed.); specifically, this quotation is from Sumner’s brilliant 1898 essay “The Conquest of the United States by Spain“:
The thirst for glory is an epidemic which robs people of their judgment, seduces their vanity, cheats them of their interests, and corrupts their consciences.
