Mary Whiton Calkins,
The New Rationalism and Objective Idealism
(1919)
“ An ego, therefore, if it exists, must modify the objects related to it. But the specific relation of an ego to objects can be no other than its consciousness or knowledge of them; and the realist has argued that objects are independent of—unmodified by—being known. Obviously, therefore, the realist concludes, if knowledge does not modify its objects there can be no modifying or causal ego. ”
