I am still waiting for a philosophical physician, in the exceptional sense of the word—one who has to pursue the problem of the total health of a people, time, race or of humanity—to master the courage to push my suspicion to its limits and to risk the proposition: what was at stake in all philosophizing hitherto was not at all ‘truth’ but something else—let us say health, growth, future, power, life.

The Gay Science (Ed. B. Williams, trans. J. Nauckhoff). Cambridge: Cambridge University Press, 2001/1887, 2nd Edition Preface, p. 6.