Labour was the first price, the original purchase-money that was paid for all things. It was not by gold or by silver, but by labour, that all the we… - Adam Smith

Civil government, so far as it is instituted for the security of property, is in reality instituted for the defence of the rich against the poor, or of those who have some property against those who have none at all.

III. Every tax ought to be levied at the time, or in the manner, in which it is most likely to be convenient for the contributor to pay it.

The administration of the great system of the universe, however, the care of the universal happiness of all rational and sensible beings, is the business of God and not of man. To man is allotted a much humbler department, but one much more suitable to the weakness of his powers, and to the narrowness of his comprehension; the care of his own happiness, of that of his family, his friends, his country: that he is occupied in contemplating the more sublime, can never be an excuse for his neglecting the more humble department.