"He Francis Bacon] writes of science like a Lord Chan cellor" - William Harvey "Don't say: 'There must be something common . . . ' - but look and see" Ludwig Wittgenstein In the history of western moral philosophy since Plato, there has been a pervasive tendency for the moral theorist to wri e, in effect, like a scientist, Le. to seek completely general prin ciples of right conduct. Of late, moreover, there has been an attempt to set forth a theory underlying the general principles, not of right conduct, admittedly, but of justice. To be sure, we are sometimes warned that the principles...