Every man is, no doubt, by nature, first and principally recommended to his own care; and as he is fitter to take care of himself than of any other p… - Adam Smith

No regulation of commerce can increase the quantity of industry in any society beyond what its capital can maintain. It can only divert a part of it into a direction into which it might not otherwise have gone; and it is by no means certain that this artificial direction is likely to be more advantageous to the society than that into which it would have gone of its own accord. Every individual is continually exerting himself to find out the most advantageous employment for whatever capital he can command. It is his own advantage, indeed, and not that of the society, which he has in his view. But the study of his own advantage naturally, or rather necessarily leads him to prefer that employment which is most advantageous to the society.

Hatred and anger are the greatest poison to the happiness of a good mind.

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.