Ralph Waldo Emerson writes to John Abraham Heraud in reply to his letter of 28 November 1846:
I received your letter & the accompanying programmes of the ‘Half Yearly Review.’ I have spread them abroad among such persons here, as I thought would like to know the design . . . we have very few writers, as yet, to add to the few already known to you . . . Mr H. D. Thoreau is man of profound & symmetrical nature, who, if he lives, will certainly be heard from in this country, & I think in yours also.
(The Letters of Ralph Waldo Emerson, 3:369-370)