Economics, we learn in the history of thought, only became a science by escaping from the casuistry and moralizing of medieval thought. - Kenneth E. Boulding

Another indication of the magnitude of the present transition is the fact that, as far as many statistical series related to activities of mankind are concerned, the date that divides human history into two equal parts is well within living memory.

In modern industry, research Has come to be a kind of Church
Where rubber-aproned acolytes
Perform their Scientific Rites
And firms spend funds they do not hafter
In hope of benefits Hereafter.

Nothing fails like success, because we do not learn anything from it. We only learn from failure, but we do not always learn the right things from failure. If there is a failure of expectations, that is, if the messages that we receive are not the same as those we expected, we can make three possible inferences.