1/ The “I Have a Dream" speech is one of the most extraordinary speeches in American history. You should read it again. First, a few thoughts about the common American heritage Dr. King relied upon in calling Americans to rededicate themselves to the unfinished work of freedom.

2/ Dr. King delivered his speech in what he called the “hallowed spot” of the Lincoln memorial. More than a picturesque backdrop, King relied on America’s reverence for Lincoln and the common celebration of Lincoln’s words and acts, especially the Emancipation Proclamation.

3/ “Five score years ago…” King echoes the words of the Gettysburg Address. Like Lincoln, King invokes the Declaration of Independence and the fundamental principles of American freedom, “life, liberty and the pursuit of happiness.” Every person in that crowd knew these words.

4/ The Declaration, Constitution and Emancipation Proclamation declared and established the fundamental American principles of freedom that all Americans knew and believed in. But these principles and promises remained unfulfilled for black Americans.

5/ Lincoln’s audience knew the history of slavery and many had suffered personal loss in the ongoing war. Dr. King’s audience knew the history of violent racism, segregation, and unequal economic opportunity. The Proclamation freed the slaves, “but the Negro still is not free.”