'I swear to tell the truth, the whole truth, and nothing but the truth' we say in a court of law. 'In a court of law, the truth is precisely what we will not say', says Lacan. 'If God is dead, everything is permitted', writes Dostoyevsky. 'If God is dead, everything is prohibited', responds Lacan. 'I think, therefore I am', reasons Descartes. 'I am where I do not think', concludes Lacan. What are we to make of Lacan's inversions of these mottos?...