The limitations of my mind require Forgetfulness, a planned abandonment Of territory, retreat under fire-- Brain bombarded by what we invent, Discover, conceptualize. Seminars I often skip, unless the speaker's topic Startles me, like seeking life on Mars Or setting forth some bold submicroscopic Solution to a problem I really care About: What causes cancer, for instance. Then I make room, and age-old questions haven't a prayer, Like the number of angels on that ancient pin. Yet, recurring patterns sometimes can be seen: Do many messengers dance upon one gene?