The thing of which the act of perception is the perception is experienced as something not mental.

The sensory acts are accordingly distinguished by their objects.

Both expectations and memories are more than mere images founded on previous experience.

You can mark in desire the rising of the tide, as the appetite more and more invades the personality, appealing, as it does, not merely to the sensory side of the self, but to its ideal components as well.

Curiosity begins as an act of tearing to pieces or analysis.

Such being the nature of mental life, the business of psychology is primarily to describe in detail the various forms which attention or conation assumes upon the different levels of that life.

But though cognition is not an element of mental action, nor even in any real sense of the word an aspect of it, the distinction of cognition and conation has if properly defined a definite value.