what is the motive behind every human action? i think its solely our beliefs. thats to say also that there are a inumerable different beliefs based on inumerable factors. the current situation(relation of my self to my environment) lays out the possibilities for different decisions.
Surely beliefs drive action, but what drive beliefs? I would say self preservation, which can be manifested physically or mentally.
truth and falsity and perference are all a result of our beliefs. any self preserving act/thought is based on our beliefs.