part of this book I have attempted to uncover the general principle—which sadly needs establishing in politics—serving to indicate clearly the advantageous and disadvantageous employment of force. Because force plays an undoubted rôle in human development and co-operation, it is sweepingly concluded that military force and the struggle between groups must always be a normal feature of human society.
To a critic, who maintained that the armies of the world were necessary and justifiable on the same grounds as the police forces of the world ("Even in communities such as London, where, in our civic capacity, we have nearly realized all your ideals, we still maintain and are constantly improving our police force"),