Their toil was marked by all the known disadvantages of slave labor, such as lack of initiative, laziness, neglect of tools, and general inefficiency. Their work therefore barely sufficed to keep their masters alive and never reached the comparative abundance which nurtures civilization. It was this absolute dependence on the work of others and complete contempt for labor and productivity in any form that transformed the Dutchman into the Boer and gave his concept of race a distinctly economic meaning.