The concepts of natural law, of inviolable rights, and of government by consent were drawn from the [[Republicanism|republican tradition]] that stretched back to ancient Rome and was neither new nor distinctively American. However it was unprecedented for a nation to declare that it would be governed by these propositions. It was Jefferson's almost religious commitment to these republican propositions that is the key to his entire life. He was more than the author of this statement of the national purpose: he was a living example of its philosophy, accepting its ideals as the controlling principles of his own life. Congress adopted the Declaration on July 4, 1776, which became the birthday of the independent nation.<ref>Peterson, ''Thomas Jefferson and the New Nation'' (1975) ch. 2</ref> | The concepts of natural law, of inviolable rights, and of government by consent were drawn from the [[Republicanism|republican tradition]] that stretched back to ancient Rome and was neither new nor distinctively American. However it was unprecedented for a nation to declare that it would be governed by these propositions. It was Jefferson's almost religious commitment to these republican propositions that is the key to his entire life. He was more than the author of this statement of the national purpose: he was a living example of its philosophy, accepting its ideals as the controlling principles of his own life. Congress adopted the Declaration on July 4, 1776, which became the birthday of the independent nation.<ref>Peterson, ''Thomas Jefferson and the New Nation'' (1975) ch. 2</ref> |