Those who came to this land sought to build more than just a new country.

They sought a new world.

So I have come here today to your campus to say that you can make their vision our reality.

So let us from this moment begin our work so that in the future men will look back and say: It was then, after a long and weary way, that man turned the exploits of his genius to the full enrichment of his life. (93-96)

Johnson connects the Great Society to the aspirations of earlier settlers and immigrants. Pretty appropriate for a speech to new grads just about to set out on their own adventures and explorations. He's essentially giving the students an opportunity to find a place for themselves within the larger American story.

Then he finishes strong with a line reminiscent of the last line of Winston Churchill's "Finest Hour" speech before the Battle of Britain in 1940. He's letting the grads know that it's up to them to turn things around in this country.

Mic drop.