"Nature is filled with tendencies and obstructions. Extremes beget limitations, even as a river by its own swiftness creates obstructions for itself."
- Robert Green IngersollAmerican author, speaker, and lawyer Robert Green Ingersoll was well-known in the late 19th century for promoting skepticism and free thought. In his many speeches, he argued against religious doctrine and in favor of the separation of church and state. His observations regarding nature's innate pro…