Oh, one world at a time!
Source: When asked, shortly before his death, whether he believed in an afterlife; in Henry D. Thoreau, by F. B. Sanborn, 1882.
-- Henry David Thoreau, (Jul 12 1817-1862), US essayist, poet, naturalist; He is best known for his description of life at Walden Pond, Walden, 1854 and his essay Civil Disobedience, 1849.