It is evident, then, that the conscience of man depends on his education and environments, and therefore is the subject of improvement. It becomes, then, the duty of every man to search for truth, for his conscience is not infallible, and by so doing he will bring it to accord with the real facts of God. "Throw away," says Savage, "prejudice and conceit, seek to make your conscience like the magnetic needle. The needle ever and naturally seeking the unchanging pole." As conscience, then, is but a faculty capable of development, it is not so difficult to understand a race of people whose conscience was in just the first stages of development; and, finally, a race which did not possess this faculty at all, as in the inferior nations which Wagner speaks of. [Illustration: FIG. I.--Butcher's Shop of the Anziques, Anno 1598. (From Man's Place in Nature, by _Huxley_.)] What kind of conscience and intelligence had the people near Cape Lopez, called the Anziques, which M. du Chaillu describes. They had incredible ferocity; for they ate one another, sparing neither friends nor relations. Their butcher-shops were filled with human flesh, instead of that of oxen or sheep, for they ate the enemies they captured in battle. They fattened, slayed, and devoured their slaves also, unless they thought they could get a good price for them; and moreover, for weariness of life or desire for glory (for they thought it a great thing and a sign of a generous soul to despise life), or for love of their rulers, offered themselves up for food. There were, indeed, many cannibals, as in the East Indies and Brazil and elsewhere, but none such as these, since the others only ate their enemies, but these their own blood relations. There is therefore, combining the fact mentioned by Wagner with the fact that some nations have no idea of one or more gods, not even a word to express it (proving that they have no idea), I say, there is therefore no evidence that man was aboriginally endowed with any such belief as the existence of an Omnipotent God; and in this assertion almost all the learned men concur. "If, however," says Darwin, "we include under the term religion, the belief in unseen or spiritual agencies, the case is wholly different; for this belief seems to be universal with the less civilized races. Nor is it difficult to understand how it arose."