The birds I heard today, which, fortunately, did not come within the scope of my science, sang as freshly as if it had been the first morning of creation.
Source: From Charles Daney's Quotation Collection, an internet collection of quotations.
-- 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.