When my information changes, I alter my conclusions. What do you do, sir?

What an extraordinary episode in the economic progress of man that age was which came to an end in August, 1914!

The time has already come when each country needs a considered national policy about what size of population, whether larger or smaller than at present or the same, is most expedient. And having settled this policy, we must take steps to carry it into operation. The time may arrive a little later when the community as a whole must pay attention to the innate quality as well as to the mere numbers of its future members.

When the capital development of a country becomes a by-product of the activities of a casino, the job is likely to be ill-done

The numeric system was invented to help man to put order in the chaos of the world.

I see, therefore, the rentier aspect of capitalism as a transitional phase which will disappear when it has done its work. And with the disappearance of its rentier aspect much else in it besides will suffer a sea-change. It will be, moreover, a great advantage of the order of events which I am advocating, that the euthanasia of the rentier, of the functionless investor, will be nothing sudden, merely a gradual but prolonged continuance of what we have seen recently in Great Britain, and will need no revolution.

Galton's eccentric, sceptical, observing, flashing, cavalry-leader type of mind led him eventually to become the founder of the most important, significant and, I would add, genuine branch of sociology which exists, namely eugenics.