Mathematics has given economics rigor, but alas, also mortis.

The use of mathematics has brought rigor to economics. Unfortunately, it has also brought mortis.

We turn to Marx, therefore, not because he is infallible, but because he is inescapable.

Economists can be called the worldly philosophers for they sought to embrace in a scheme of philosophy the most worldly of man's activities-his drive for wealth.

Veblen once asked a religious student the value of her church in kegs of beer.

Socialism has been a great tragedy this century.

Mathematics has given economics rigor, but alas, also mortis.