24 This is a bit swift, for sentences beginning ‘I know…’ do have, as Austin pointed out, the function of ‘giving others my authority’ for the claim in question (Austin, J. L., ‘Other Minds’, in Philosophical Papers (Oxford: Clarendon Press, 1961), pp. 44–84, 67), but it is clear that whatever the illocutionary force of to know is, it is not that of knowing, so the point remains.Google Scholar For further discussion see Vendler, Zeno, ‘Telling the Facts’, in Kiefer, F. and Searle, J. (eds), Speech Act Theory and Pragmatics (Dordrecht: D. Reidel, 1979)Google Scholar, reprinted in French, P. A., Uehling, T. E. Jr and Wettstein, H. K. (eds), Contemporary Perspectives in the Philosophy of Language (Minneapolis: University of Minnesota Press, 1979), pp. 220–32.Google Scholar