Mr. Stanley has done his part with untiring energy; good judgment in the teeth of very serious obstacles. His helpmates turned out depraved blackguards, who, by their excesses at Zanzibar and elsewhere, had ruined their constitutions, and prepared their systems to be fit provender for the grave. They had used up their strength by wickedness, and were of next to no service, but rather downdrafts and unbearable drags to progress.
- David Livingstone