What do you believe to be the enduring qualities of the Gettysburg Address? Why has this two-minute speech so endured?

Gettysburg Address is counted as one of the greatest speeches of history. He delivered it in the town of Pennsylvania. The speech contained 270 words and was delivered on November 19, 1863. The two qualities of that speech were Conciseness and Simplicity.

Abraham Lincoln mentions all the momentous elements of that day in very few sentences, that is why the speech is so endured.