The Development of Economic Doctrine: An Introductory Survey

“Political economy is perhaps the only science of which it may be said that the ignorance of it is not merely a deprivation of good, but produces great positive evil.”—REV. T. R. MALTHUS.

“Political economy is . . . a science at the same time dangerous and leading to occasions of sin.”

—CARDINAL NEWMAN.

“Marshall was too anxious to do good.”

—J. M. KEYNES.