The hope that poverty and ignorance may gradually be extinguished derives indeed much support from the steady progress of the working classes during the 19th century.

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.

To live without faith is to live without hope.

One can hear all that's going on in the street. Which means that from the street one can hear what's going on in this house.

I wish all men to be free. I wish the material prosperity of the already free which I feel sure the extinction of slavery would bring.

I actually think it's sometimes easier for the control freaks to let loose.

My accent's become a weird hybrid.

If the creator has a purpose in equipping us with a neck, he surely would have meant for us to stick it out.

Really,' thought I, 'we call Baltimore the 'Monumental City' for its two marble columns, and here is Edinburg with one at every street-corner!

I wish life was not so short. Languages take such a time, and so do all the things one wants to know about.

In 1921, Harry Houdini started his own film company called - wait for it - the Houdini Picture Corporation.

We're all basically made of the same stuff: generosity and selfishness, goodness and greed.