Sentence:  This <WSD>common sense</WSD> is the judge or moderator of the rest, by whom we discern all differences of objects; for by mine eye I do not know that I see, or by mine ear that I hear, but by my <WSD>common sense</WSD> […]. 
Meaning of the word marked with <WSD> tags:  An internal sense, formerly believed to be the sense by which information from the other five senses is understood and interpreted.