both simple and logical
I don´t think much can be that easy, or whittled down to almost a mathematical exercise.  Life is not purely technical and rationality is overvalued.  The range and combination of circumstances are too infinite for a purely scientific approach to produce anything more than technical facts.  Tools like computers and internet, can also increase the chances of GIGO.

people of goodwill  
Can the intellect begin to grapple with this?  I only trust my gut with it.

polite expressions of gratitude
I try not to underestimate them and consider them ´pure energy units´.  Never a waste of time.

genuine desire, ...willingness, ...passion
I could swear none of these reside in my head, but I could be wrong.

Our knowledge has surpassed our wisdom. -Charu Saxena.