Reversing a proposition rearranges its terms, but still keeps out new terms.
The egg is the symbol of perfection. Do you want an egg?
Guilt stirs me, but only to self-pity.
Children pay little attention to their parents' teachings, but reproduce their characters faithfully
The past is always waiting to entangle and deflect us.
The lyric deals with love and sorrow, the aphorism with contradiction and deceit.