These excursions, often in company with brothers, one now in Canada, and the other a clergyman in the United States, gratified my intense love of nature; and though we generally returned so unmercifully hungry and fatigued that the embryo parson shed tears, yet we discovered, to us, so many new and interesting things, that he was always as eager to join us next time as he was the last.
— from Missionary Travels and Researches in South Africa by David Livingstone