How about " One way in which heaven taunts humans is that there is very little difference in talent between ..."
or " Heaven's way of tarnting humans in theis field (or area) is that there is usually very little difference in talent between the person who earns $50,000 per year and the one who earns $100,000 per year. The only difference is that one has settled at a lower level while the other has refused to settle for less than $100,000."