This, as all students of ghostology are aware, has frequently been the case; and it was precisely the case with the ghost seen by the famous Lord Brougham, […]

Bad ploughmen, which made balks of such ground.

The hardships of bark-collecting in the primeval forests of South America are of the severest kind, and undergone only by the half-civilized Indians and people of mixed race, in the pay of speculators or companies located in the towns.

A reliable system of indoctrination requires nearly total 'milieu control' in which the indoctrinatee has few or no alternate sources of information and values.