The mistake Wittgenstein himself made in Tractatus Logico-Philosophicus and the mistake Augustine made in Confessions is the mistake we all make when we want to counter behaviourism with some suggestion of the sort that thoughts, desires, etc. are not nothing. No, they are not nothing, and they are not identical with behaviour either. But neither are they things, and the only reason we want them to be things is that we are committed to a faulty view of language,
