Implicit … in the very idea of ordered liberty, was a rejection of absolute truth, the infallibility of any idea or ideology or theology or “ism,” any tyrannical consistency that might lock future generations into a single, unalterable course, or drive both majorities and minorities into the cruelties of the Inquisition, the pogrom, the gulag, or the jihad....A rejection of absolutism, in all its forms, may sometimes slip into moral relativism or even nihilism, an erosion of values that hold society together…

- Barack Obama