Mercy to the guilty is cruelty to the innocent.

All for ourselves, and nothing for other people, seems, in every age of the world, to have been the vile maxim of the masters of mankind.

The theory that can absorb the greatest number of facts, and persist in doing so, generation after generation, through all changes of opinion and detail, is the one that must rule all observation.

The importation of gold and silver is not the principal, much less the sole benefit which a nation derives from its foreign trade.

All jobs are created in direct proportion to the amount of capital employed.

This is one of those cases in which the imagination is baffled by the facts.

In the long-run the workman may be as necessary to his master as his master is to him, but the necessity is not so immediate.