Assuming Quote by George Trumbull Ladd

Psychology, on the other hand, seeks to give account of the interconnexion of processes which are evinced by our own consciousness, or which we…

— Wilhelm Wundt

In Psychology we deal with minds and their processes, and leave out of account as far as possible the objects that we get to…

— Charles D. Broad

The fact that psychology postulates an external material world and studies it in so far as it comes to be reflected in consciousness, points…

— Boris Sidis

Psychology must postulate uniformity of interrelation of physical, physiological, and psychic processes.

— Boris Sidis

In all the sciences except Psychology we deal with objects and their changes, and leave out of account as far as possible the mind…

— Charles D. Broad

Like all science, psychology is knowledge; and like science again, it is knowledge of a definite thing, the mind.

— James Mark Baldwin

“As far as I can see, even now, after years of puzzling over the field of cognitive science, there is no clear line between…

— Barbara Ehrenreich

Psychology, as the behaviorist views it, is a purely objective, experimental branch of natural science which needs introspection as little as do the sciences…

— John B. Watson

The mind is made up by what it feeds upon.

— William James

Psychology is the description of the reflection of the terrestial world in the heavenly plane, or, more correctly, the description of a reflection such…

— Franz Kafka

Psychology teaches us at every step that though two types of activity can have the same external manifestation, whether in origin or essence, their…

— Lev S. Vygotsky

The psychology of a complex mind must differ almost as much from that of a simple, mechanized mind as its psychology would from ours;…

— John Desmond Bernal