The mental act of sensation which issues in reflex movement is so simple as to defy analysis.

An expectation is a future object, recognised as belonging to me.

The sensory acts are accordingly distinguished by their objects.

Mental life is indeed practical through and through. It begins in practice and it ends in practice.

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.

In the perception of a tree we can distinguish the act of experiencing, or perceiving, from the thing experienced, or perceived.

The interval between a cold expectation and a warm desire may be filled by expectations of varying degrees of warmth or by desires of varying degrees of coldness.