The Fall of The Congo Arabs by Sidney Langford Hinde Chapter 1 Page 6

Central Africa crushed out of existence, the result to the country is difficult to prophesy. In our present state of ignorance, colonisation, as opposed to settlement, by Europeans is out of the question.

Increased knowledge of diseases, and of the treatment of those peculiar to tropical climates, may someday render it possible for a healthy European colony to spring up in this rich land, in which migratory traders with some sort of military occupation form now the so le European element.