It is the marriage of the soul with Nature that makes the intellect fruitful, and gives birth to imagination.
Source: In Webster's Electronic Quotebase, ed. Keith Mohler, 1994.
-- 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.