" It is seldom that we know anything accurately on any subject that we have not made matter of careful study," said Mr. Monk, "and very often do not do so even then. We are very apt to think that we men and women understand one another; but most probably you know nothing even of the modes of thought of the man who lives next door to you. "

― Anthony Trollope , Phineas Finn (Palliser, #2)