Thoreau writes in his journal:
You must love the crust of the earth on which you dwell more than the sweet crust of any bread or cake. You must be able to extract nutriment out of a sandheap. You must have so good an appetite as this, else you will live in vain . . .
Bronson Alcott writes to Ainsworth R. Spofford:
Athol, Mass. An unidentified person writes to Thoreau: