Bear Kirkpatrick defines his imagery as evidence, documents of past and present human psychological states.
The key to making a great portrait is to find the in—between spaces that create tension by their absence of immediate meaning. This is easier to describe it as negative space than positive space—see what to avoid rather than what to put in. Eliminate everything obvious, for example. Eliminate anything that reminds you of somebody else, if possible, and if not possible then bury it. Avoid the primary emotions. Avoid anything easy.
— Bear Kirpatrick