Undoubtedly, in this case, what is true for one is truer still for a thousand, as a large house is not proportionally more expensive than a small one, since one roof may cover, one cellar underlie, and one wall separate several apartments. But for my part, I preferred the solitary dwelling. Moreover, it will commonly be cheaper to build the whole yourself than to convince another of the advantage of the common wall; and when you have done this, the common partition, to be much cheaper, must be a thin one, and that other may prove a bad neighbor, and also not keep his side in repair. The only co-operation which is commonly possible is exceedingly partial and superficial; and what little true co-operation there is, is as if it were not, being a harmony inaudible to men. If a man has faith, he will co-operate with equal faith everywhere; if he has not faith, he will continue to live like the rest of the world, whatever company he is joined to. To co-operate in the highest as well as the lowest sense, means to get our living together. I heard it proposed lately that two young men should travel together over the world, the one with