If common sense, and its associated logic, could answer the questions it poses, there would never have been philosophy, or a desire for it. The classic philosophical questions like "where did everything come from" cannot be answered by common sense, and therefore the answer, whatever it is, must be crazy, in common sense terms.

To take an analogy, mathematicians could not answer every question in terms of integers, the counting numbers of common sense, so they had to invent fractions, and then real numbers, and eventually complex numbers, which in... (read more)