Innumerable are the illusions and legerdemain-tricks of Custom: but of all these, perhaps the cleverest is her knack of persuading us that the Miraculous, by simple repetition, ceases to be Miraculous.

Thomas Carlyle (1795–1881) Scottish essayist and historian

Sartor Resartus, Book 3, ch. 8 (1834)
    (Source)

Quoting Herr Teufelsdröckh.

This chapter first appeared in Fraser's Magazine for Town and Country, Vol. 10, No. 55 (1834-07).