In comparing therefore the value of the same commodity, at different periods of time, the consideration of the comparative skill and intensity of labour, required for that particular commodity, needs scarcely to be attended to, as it operates equally at both periods.
David Ricardo

In stating the principles which regulate exchangeable value and price, we should carefully distinguish between those variations which belong to the commodity itself, and those which are occasioned by a variation in the medium in which value is estimated, or price expressed.
David Ricardo

Knowledge is not simply another commodity. On the contrary. Knowledge is never used up. It increases by diffusion and grows by dispersion.
Daniel J. Boorstin

Music is not a commodity, it's a resource.
Michelle Shocked

Sometimes, instead of purchasing a commodity out and out, people want to buy only the use of it, for a longer or shorter period. The price paid for such temporary use is commonly called hire.
John Buchanan Robinson

Television was supposed to be a national park. Instead it has become a money machine. It's a commodity now, just like pork bellies.
Fred W. Friendly

That's just the way this business works. You're a reliable commodity.
Christy Romano

The ability to deal with people is as purchasable a commodity as sugar or coffee and I will pay more for that ability than for any other under the sun.
John D. Rockefeller

The novel is the first art form that is an honest-to-god commodity. That's what makes it different from both high art and folk art.
Leslie Fiedler

The price of a commodity will never go to zero. When you invest in commodities futures, you're not buying a piece of paper that says you own an intangible piece of company that can go bankrupt.
Jim Rogers

The real fight is about what should be in the marketplace and what should not. Should education be a marketable commodity? Should healthcare?
Susan George

Time is the scarcity, and it's the commodity we can't create any more of.
Jim Mitchell

Today, in American imperialism, the commodity has reached its most grandiose historical manifestation.
C. L. R. James

Travel, which was once either a necessity or an adventure, has become very largely a commodity, and from all sides we are persuaded into thinking that it is a social requirement, too.
Jan Morris

Truth is life's most precious commodity.
Edwin Louis Cole

Usually you talk about directors in terms of the way they choose camera lenses or a kind of light to create a certain effect. But to me the most valuable commodity for a movie to create is a feeling of life, and that's what A Hard Day's Night has in spades.
Michael Patrick Jann

Value manifests itself as exchange value, as a quantitatively determined relationship, in virtue of the fact that one commodity can be exchanged for another.
Rudolf Hiferding

We abuse land because we regard it as a commodity belonging to us. When we see land as a community to which we belong, we may begin to use it with love and respect.
Aldo Leopold

Well building hat three conditions. Commodity, firmness, and delight.
Henry Wotton

Words are a commodity in which there is never any slump.
Christopher Morley