Perversity depends on reversal and substitution.
Family romances are the only ones that never turn out happily.
Money is to my social existence what health is to my body.
Reversing a proposition rearranges its terms, but still keeps out new terms.
What I eat turns into my body. What I read turns into my mind.
Early every morning an old woman goes to the market to curse a grocery clerk, who curses back.