Martin Buber, Between Man and Man, trans. by Ronald Gregor Smith (London: Kegan Paul, 1947), p. 184.
I have occasionally described my standpoint to my friends as the “narrow ridge.” I wanted by this to express that I did not rest on the broad upland of a system that includes a series of sure statements about the absolute, but on a narrow rocky ridge between the gulfs where there is no sureness of expressible knowledge but the certainty of meeting what remains undisclosed.