"If our nation had done nothing more in its whole history than to create just two documents, its contribution to civilization would be imperishable. The first of these documents is the Declaration of Independence and the other is that which we are here to honor tonight, the Emancipation Proclamation. All tyrants, past, present and future, are powerless to bury the truths in these declarations, no matter how extensive their legions, how vast their power and how malignant their evil."