The passion for seeking the truth for truth's sake can be kept alive only if we continue to seek the truth for truth's sake. Franz Boas More Quotes by Franz Boas More Quotes From Franz Boas Not so the scientist. The very essence of his life is the service of truth. Franz Boas service essence truth life We do not discuss the anatomical, physiological, and mental characteristics of man considered as an individual; but we are interested in the diversity of these traits in groups of men found in different geographical areas and in different social classes. Franz Boas man diversity different men This idea was also brought out very clearly by Wallace, who emphasized that apparently reasonable activities of man might very well have developed without an actual application of reasoning. Franz Boas well without who man In other words, we are interested in the anatomical and mental characteristics of men living under the same biological, geographical, and social environment, and as determined by their past. Franz Boas words environment men past