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

It is more difficult to designate this form of conation on its practical side by a satisfactory name.

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

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

Thus the same object may supply a practical perception to one person and a speculative one to another, or the same person may perceive it partly practically and partly speculatively.

... when demand is being destroyed by expensive oil just as expensive oil is incentivising increased production - it should come as no surprise that at some point the markets would react.

Hence, in desiring, the more the enjoyment is delayed, the more fancy begins to weave about the object images of future fruition, and to clothe the desired object with properties calculated to inflame the impulse.