« Leave the darkness to its darkness, and light the lamp which leads to daybreak ». 
The danger of “common sense” arguments
Sooner or later, mainstream “common sense” will appear irrelevant for fundamental issues too, as it already does when applied to relativity and quantum mechanics. Arguments stemming from this “common sense” are regularly used to discuss public-health issues and to explain the relation between the economy and our well-being. But in this case, the “common sense” that we use has nothing to do with a true, common sensorial experience. Why? Because it has been manufactured and continues to be deliberately promoted by public-health and economic establishments [see: http://publichealthnewparadigms.wikia.com/wiki/PUBLIC-HEALTH_NEW_PARADIGMS_Wiki ].