Ignorance more frequently begets confidence than does knowledge: it is those who know little, and not those who know much, who so positively assert that this or that problem will never be solved by science.
Authentication Score 3
Original Citation
Darwin, Charles. The Descent of Man, and Selection in Relation to Sex. London: John Murray, 1871, introduction.
Current Citation
Darwin, Charles. The Descent of Man. Penguin Classics, 2004, introduction.