Much of what we know is called “common sense.” Either we have learned its precepts and perspective from others, or we have asked questions and come up with answers that are usually satisfactory. Proverbs are examples of common sense codified in easily-remembered phrases: “a stitch in time saves nine”, “early to bed, early to rise, makes one healthy, wealthy and wise”, “red sky at night, sailor’s delight; red sky at morning, sailor take…