What right have I to grieve, who have not ceased to wonder?
Source: Letter, 2 Mar 1842, to Lucy Brown, sister-in-law of essayist and philospher Ralph Waldo Emerson.
-- 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.