You anarchists should make it clear that you are perfectly determined to make a clean sweep of the whole social creation. But how to get that appallingly absurd notion into the heads of the middle classes so that there should be no mistake? That’s the question. By directing your blows at something outside the ordinary passions of humanity is the answer. Of course, there is art. A bomb in the National Gallery would make some noise. But it would not be serious enough. Art has never been their fetish. It’s like breaking a few back windows in a man’s house; whereas, if you want to make him really sit up, you must try at least to raise the roof. There would be some screaming of course, but from whom? Artists—art critics and such like—people of no account. Nobody minds what they say. But there is learning—science. Any imbecile that has got an income believes in that. He does not know why, but he believes it matters somehow. It is the sacrosanct fetish. All the damned professors are radicals at heart. Let them know that their great panjandrum has got to go too, to make room for the Future of the Proletariat. A howl from all these intellectual idiots is bound to help forward the labours of the Milan Conference. They will be writing to the papers. Their indignation would be above suspicion, no material interests being openly at stake, and it will alarm every selfishness of the class which should be impressed. They believe that in some mysterious way science is at the source of their material prosperity. They do. And the absurd ferocity of such a demonstration will affect them more profoundly than the mangling of a whole street—or theatre—full of their own kind. To that last they can always say: ‘Oh! it’s mere class hate.’ But what is one to say to an act of destructive ferocity so absurd as to be incomprehensible, inexplicable, almost unthinkable; in fact, mad? Madness alone is truly terrifying, inasmuch as you cannot placate it either by threats, persuasion, or bribes. Moreover, I am a civilised man. I would never dream of directing you to organise a mere butchery, even if I expected the best results from it. But I wouldn’t expect from a butchery the result I want. Murder is always with us. It is almost an institution. The demonstration must be against learning—science. But not every science will do. The attack must have all the shocking senselessness of gratuitous blasphemy. Since bombs are your means of expression, it would be really telling if one could throw a bomb into pure mathematics. But that is impossible. I have been trying to educate you; I have expounded to you the higher philosophy of your usefulness, and suggested to you some serviceable arguments. The practical application of my teaching interests _you_ mostly. But from the moment I have undertaken to interview you I have also given some attention to the practical aspect of the question. What do you think of having a go at astronomy?”