“It is instructive, although somewhat disheartening, for the ardent advocate of a purely scientific psychology to contrast the practice and theories of his colleagues with those of the students of the principal physical sciences.” PracticePsychologyStudentsTheoryContrastPrincipalColleaguesArdentPhysical ScienceDisheartening Book:Philosophy of Mind Source: Philosophy of Mind
“Psychology assumes that "things" are and "minds" are; and that, within certain limits determined by the so-called "nature" of both, they act causally upon each other.” MindCertainPsychologyLimitsAssumingDetermined Author:George Trumbull Ladd