Despite popular theories, I believe people fall in love based not on good looks or fate but on knowledge. Either they are amazed by something a beloved knows that they themselves do not know; or they discover a common rare knowledge; or they can supply knowledge to someone who's lacking. Hasn't everyone found a strange ignorance in someone beguiling? . . .Nowadays, trendy librarians, wanting to be important, say, Knowledge is power. I know better. Knowledge is love.