Alfred Marshall

"Economics is the study of mankind in the ordinary business of life."

"The scope of economics is much wider than is commonly supposed."

"Human nature is the most wonderful and the most complex of all phenomena."

"The steadiest progress in the solution of a difficult problem comes from steady work."

"The economic problem is not one of production but of distribution."

"A man's true wealth is the good he does in the world."

"The greatest economic advance has come from the invention of new tools."

"Those whose wants are great must make great efforts."

"The most important of all the elements of progress is the love of truth."

"Competition brings out the best in products and the worst in people."

"Knowledge is power, but only if it is applied to action."

"The essence of economics is choice under constraints."

"Ordinary business of life demands both thought and action."

"Progress is not accidental but the result of human effort."

"The demand for a commodity is a schedule of the amounts which purchasers are willing to buy."

"Nature does not proceed by jumps; economics should not either."

"In the modern age, the pace of change is accelerating."

"Money is not an end in itself but a means to an end."

"The factory system has changed the world forever."

"Education is the foundation of all progress."

"Human wants are the ultimate cause of all economic activity."

"The ability to concentrate is the mark of a great mind."

"Free competition is the best regulator of economic life."

"The past is the teacher of the future."

"Patient capital is the engine of economic growth."

"In the long run, the market will sort out the good from the bad."

"The division of labor increases productivity exponentially."

"What is true of the part is not always true of the whole."

"The life of man in modern times is essentially competitive."

"Time is money, but money is not always time."