Are we to assume that professional mathematicians are always to be regarded as the ultimate practitioners of rationality?
You’re misreading the analogy. The quote means that rationalists aren’t aspiring to be as good at rationality as mathematicians already are at mathematics (not rationality).
You’re misreading the analogy. The quote means that rationalists aren’t aspiring to be as good at rationality as mathematicians already are at mathematics (not rationality).