The certainties of one age are the problems of the next.

The real economic cleavage is not... between employers and employed, but between all who do constructive work, from scientist to laborer, on the one hand, and all whose main interest is the preservation of existing proprietary rights upon the other, irrespective of whether they contribute to constructive work or not.

The certainties of one age are the problems of the next.

If a man has important work, and enough leisure and income to enable him to do it properly, he is in possession of as much happiness as is good for any of the children of Adam.

Private property is a necessary institution, at least in a fallen world; men work more and dispute less when goods are private than when they are in common.

Bankruptcies of governments have, on the whole, done less harm to mankind than their ability to raise loans.

When men have gone so far as to talk as though their idols have come to life, it is time that someone broke them.