Doctor Livingstone, I presume?

An insuperable obstacle to rapid transit in Africa is the want of carriers, and as speed was the main object of the Expedition under my command, my duty was to lessen this difficulty as much as possible.

The more experience and insight I obtain into human nature, the more convinced do I become that the greater portion of a man is purely animal.

When I examine the conclusion [on experiments with the electric light bulb experiments published in the Herald] which everyone acquainted with the subject will recognize as a conspicuous failure, trumpeted as a wonderful success, I [conclude]... that the writer ... must either be very ignorant, and the victim of deceit, or a conscious accomplice in what is nothing less than a fraud upon the public.

I had intended to have gone into Africa incognito. But the fact that a white man, even an American, was about to enter Africa was soon known all over Zanzibar.

Religion acts as a moral gardener, to weed out, or suppress, evil tendencies, which, like weeds and nettles, would shoot up spontaneously in the wonderful compost of the garden, if unwatched.

Everyone acquainted with the subject will recognize it as a conspicuous failure.