Human behaviour reveals uniformities which constitute natural laws. If these uniformities did not exist, then there would be neither social science nor political economy, and even the study of history would largely be useless. In effect, if the future actions of men having nothing in common with their past actions, our knowledge of them, although possibly satisfying our curiosity by way of an interesting story, would be entirely useless to us as a guide in life.

My wish is to construct a system of sociology on the model of celestial mechanics, physics, and chemistry.

It is a know fact that almost all revolutions have been the work, not of the common people, but of the aristocracy, and especially of the decayed part of the aristocracy.

Give me a fruitful error any time, full of seeds, bursting with its own corrections. You can keep your sterile truth for yourself.

Increase in the wealth per capita fosters democracy; but the latter, at least according to what we have been able to observe up to now, entails great destruction of wealth and even eventually dries up the sources of it. Hence it is its own grave-digger, it destroys what gave it birth.

In any series of elements to be controlled, a selected small fraction, in terms of numbers of elements, always accounts for a large fraction in terms of effect.

The diverse natures of men, combined with the necessity to satisfy in some manner the sentiment which desires them to be equal, has had the result that in the democracies they have endeavored to provide the appearance of power in the people and the reality of power in an elite.