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. - Adam Smith

Of all those expensive and uncertain projects, however, which bring bankruptcy upon the greater part of the people who engage in in them, there is none perhaps more perfectly ruinous than the search after new silver and gold mines. It is perhaps the most disadvantageous lottery in the world, or the one in which the gain of those who draw the prizes bears the least proportion to the loss of those who draw the blanks: for though the prizes are few and the blanks are many, the common price of a ticket is the whole fortune of a very rich man.

All registers which, it is acknowledged, ought to be kept secret, ought certainly never to exist.

For in every country of the world, I believe, the avarice and injustice of princes and sovereign states, abusing the confidence of their subjects, have by degrees diminished the real quantity of metal, which had been originally contained in their coins.