Psychology is the science of the act of experiencing, and deals with the whole system of such acts as they make up mental life.

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

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.

... 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.

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

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

Psychology is the science of the act of experiencing, and deals with the whole system of such acts as they make up mental life.