The pseudo rationalists do true rationalism a disservice if they pretend to have adequate insight exactly where strict rationalism excludes it on purely logical grounds. Rationalism sees its chief triumph in the clear recognition of the limits of actual insights.

Otto Neurath, ‘The Lost Wanderers of Descartes and the Auxiliary Motive’, in Philosophical Papers, 1913-1946, Dordrecht, 1983, p. 8