Things like life, liberty, health. In the United States Declaration of Independence, these things are cited. During the French Revolution, these things are cited. In the various revolutions in Latin America, these ideas are cited. Now one of the reasons why the Enlightenment came about when it did, not only did we have new tools of thinking and the opportunity to challenge notions, but it might have been that society now had the responsibility to think a little bit deeper about these ideas because it was getting more and more powers through the scientific revolution. And those powers were becoming even more significant when that science was applied during the Industrial Revolution. Now society could produce more than it could ever produce before.