Demand and supply are the two blades of a pair of scissors; ... - Alfred Marshall

"Demand and supply are the two blades of a pair of scissors; either one alone is useless for cutting."

Alfred Marshall Science

Economist Mathematician British 1842–1924

More from 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."

"Science helps us understand the world."

"I've witnessed the birth of science, and it continues to amaze me."

"I'm something of a scientist myself."

"The fusion process is self-sustaining now!"