1stly. With a certainty of what it is that he wants to know,— 2ndly. With principles which may serve as a rallying point and test of his observations,— 3rdly. With, for instance, a philosophical and definite, instead of a popular and vague, notion about the origin of human feelings of right and wrong,— 4thly. And with a settled conviction that prevalent virtues and vices are the result of gigantic general influences,—is yet not fitted for his object if certain moral requisites be wanting in him.
