"The earth is not a mere fragment of dead history, stratum upon stratum like the leaves of a book, to be studied by geologists and antiquaries chiefly, but living poetry like the leaves of a tree, which precede flowers and fruit ~ not a fossil earth, but a living earth; compared with whose great central life all animal and vegetable life is merely parasitic. Its throes will heave our exuviæ from their graves ... You may melt your metals and cast them into the most beautiful moulds you can; they will never excite me like the forms which this molten earth flows out into."

Source: Henry David Thoreau (2017). “HENRY DAVID THOREAU - Ultimate Collection: 6 Books, 26 Essays & 60+ Poems, Including Translations. Biographies & Letters (Illustrated): Walden, The Maine Woods, Cape Cod, A Yankee in Canada, Canoeing in the Wilderness, Civil Disobedience, Slavery in Massachusetts, Life Without Principle, Excursions, Poems of Nature, Familiar Letters…”, p.192, e-artnow