To the close student of human nature no place offers such manifold
attractions, such possibilities of deep insight, such a mine of
suggestion, such a prodigality of illustration, as a pig-pen at feeding
time. It has been said, with allusion to this philosophical pursuit,
that “there is no place like home;” but it will be seen that this is
but another form of the same assertion.—_End of the Essay upon the
Study of Human Nature._