It is no act of insight, intuition, which makes us use the rule as we do at the particular stage // point of the series // . It would be less confusing to call it an act of decision, though this too is misleading, for nothing like an act of descision must take place, but possibly just an act of writing or speaking. And the mistake which we here and in a thousand similar cases are inclined to make is labelled by the word “to make” as we have used it in the sentence, “It is no act of insight which makes us use the rule as we do,” because there is an idea that
103.
“something must make us” do what we do. And this again joins on to the confusion between cause and reason. We need have no reason [f|t]o follow the rule as we do. The chain of reasons has an end.