But unfortunately Locke treated ideas of reflection as if they were another class of objects of contemplation beside ideas of sensation.

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

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

... 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.

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

An object is not first imagined or thought about and then expected or willed, but in being actively expected it is imagined as future and in being willed it is thought.

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.