Again, most of the chief distinctions marked by economic terms are differences not of kind but of degree.

The most valuable of all capital is that invested in human beings

Political Economy or Economics is a study of mankind in the ordinary business of life.

Capital is that part of wealth which is devoted to obtaining further wealth.

Knowledge is our most powerful engine of production.

In common use almost every word has many shades of meaning, and therefore needs to be interpreted by the context.

Civilized countries generally adopt gold or silver or both as money.

The price of every thing rises and falls from time to time and place to place; and with every such change the purchasing power of money changes so far as that thing goes.

The most reckless and treacherous of all theorists is he who professes to let facts and figures speak for themselves.

Nature's action is complex: and nothing is gained in the long run by pretending that it is simple, and trying to describe it in a series of elementary propositions.

In every age poets and social reformers have tried to stimulate the people of their own time to a nobler life by enchanting stories of the virtues of the heroes of old.

I turn my back on him as he goes, and settle myself in the parlor, and touch Ma's piano.My fingers leave sighsin the dust.

Much as I admired the elegance of physical theories, which at that time geology wholly lacked, I preferred a life in the woods to one in the laboratory.

Why do I seem to have this effect on women? They're around me and they cry.

Hands-on experience is the best way to learn about all the interdisciplinary aspects of robotics.

I was 18 when I started. I was hanging out with some friends and they asked if I had tried stand-up before. I hadn't, but I thought: 'What the hell?' So I went to an open mic night, and I liked it.

I live in a very small house, but my windows look out on a very large world.

If there's a steady paycheck in it, I'll believe anything you say.

All the glory of the world would be buried in oblivion, unless God had provided mortals with the remedy of books.

If you ain't trying to cheat a little, you ain't likely to win much.

For me the working of hair is architecture with a human element.