“I do not recollect in all the animal kingdom a single species but man which is eternally & systematically engaged in the destruction of its own species. What is called civilization seems to have no other effect on him than to teach him to pursue the principle of bellum omnium in omnia on a larger scale, & in place of the little contests of tribe against tribe, to engage all the quarters of the earth in the same work of destruction.” – Thomas Jefferson, “Letter to James Madison,” January 1, 1797