[W]e are uniquely a community of values, as distinct from a religious community, a racial community, a geographic community, or an ethnic community. This Nation was founded 200 years ago, not on ancient legends or conquests or physical likeness or language, but on a certain political value which Jefferson's pen so eloquently expressed. To be an American is to subscribe to those principles which the Declaration of Independence proclaims and the Constitution protects -- the political values of self-government, liberty and justice, equal rights, and equal opportunity. These beliefs are the secrets of America's unity from diversity -- in my judgment the most magnificent achievement of our 200 years as a nation.