... 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.

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

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

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.

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

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.

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