Theodore Roosevelt (18581919). Through the Brazilian Wilderness. 1914.
in favor of the theory he champions than has been established in favor of the theories of any of the learned and able scientific men from whose conclusions he dissents. Further research, careful, accurate, and long extended, can alone enable us to decide definitely in the matter; and this research, to be effective, must be undertaken by many men, each of whom shall in large measure possess Mr. Hasemans exceptional power of laborious work both in the field and in the study, his insight and accuracy of observation, and his determination to follow truth with inflexible rectitude wherever it may leadone of the greatest among the many great qualities which lifted Huxley and Darwin above their fellows.