The two principles referred to are Authority and Liberty, and the names of the two schools of Socialistic thought which fully and unreservedly represent one or the other of them are, respectively, State Socialism and Anarchism. Whoso knows what these two schools want and how they propose to get it understands the Socialistic movement. For, just as it has been said that there is no half-way house between Rome and Reason, so it may be said that there is no half-way house between State Socialism and Anarchism.

The cost of justice can be justly paid only by the invader.

If the individual has a right to govern himself, all external government is tyranny. Hence the necessity of abolishing the State.

The moment one abandons the idea that he was born to discover what is right and enforce it upon the rest of the world, he begins to feel an increasing disposition to let others alone and to refrain even from retaliation or resistance except in those emergencies which immediately and imperatively require it.

But which is the State's essential function, aggression or defence, few seem to know or care.

The student of Liberty must constantly endeavor to disassociate his imagination from sanguinary dramas of assassination and revolt.

It will probably surprise many who know nothing of Proudhon save his declaration that 'property is robbery' to learn that he was perhaps the most vigorous hater of Communism that ever lived on this planet. But the apparent inconsistency vanishes when you read his book and find that by property he means simply legally privileged wealth or the power of usury, and not at all the possession by the labourer of his products.