 One limitation to this strategy—viz., the strategy of investigating knowledge by way of investigating the meaning of knows—is that (i) when aiming to establish facts about meaning, we appeal inevitably to patterns of use; and (ii) the connection between meaning and use is (as the philosophy of language since the 1960s has shown) at most indirect (e.g., Grice 1989; Searle 1969). As John MacFarlane captures this idea: