“But, most of all, the Great Society is not a safe harbor, a resting place, a final objective, a finished work. It is a challenge constantly renewed, beckoning us toward a destiny where the meaning of our lives matches the marvelous products of our labor.”

In a nation of millions and a world of billions, the individual is still the first and basic agent of change.

Knowledge is of two kinds: we know a subject itself, or know where to find it.

Light at the end of the tunnel? We don’t even have a tunnel; we don’t even know where the tunnel is.

I am going to build the kind of nation that President Roosevelt hoped for, President Truman worked for, and President Kennedy died for.

…International education cannot be the work of one country. It is the responsibility and promise of all nations. It calls for free exchange and full collaboration…The knowledge of our citizens is one treasure which grows only when it is shared.

While you’re saving your face, you’re losing your ass.

If two men agree on everything, you may be sure that one of them is doing the thinking.

Doing what’s right isn’t the problem. It is knowing what’s right.

There are no favorites in my office. I treat them all with the same general inconsideration.

No national sovereignty rules in outer space. Those who venture there go as envoys of the entire human race. Their quest, therefore, must be for all mankind, and what they find should belong to all mankind.

If you let a bully come in and chase you out of your front yard, he’ll be on your porch and the next day he’ll rape your wife in your own bed.

Lincoln was right about not fooling all the people all the time. But Republicans haven’t given up trying.

Education is the key to opportunity in our society, and the equality of educational opportunity must be the birthright of every citizen.

I’ll tell you what’s at the bottom of it. If you can convince the lowest white man he’s better than the best colored man, he won’t notice you’re picking his pocket. Hell, give him somebody to look down on, and he’ll empty his pockets for you.

I’m the only president you’ve got.

Whether we are New Dealer, Old Dealer, Liberty Leaguer or Red, whether we agree or not, we still have the right to think and speak how we feel.

Our greatest challenge-our greatest opportunity-is found in these words: ‘Choose ye this day.’

Optimists enrich the present, enhance the future, challenge the improbable and attain the impossible.

There’s no reason to be non-violent. There’s no challenge unless you are living for people.

A Call to Protect and Democratize U.S. Elections: A Panel Presentation on the challenges to American elections.

Accept the challenges, so that you may feel the exhilaration of victory.

I am not going to be licked by tragedy, as life is a challenge, and we must carry on and work for the living as well as mourn for the dead.

The challenge is to practice politics as the art of making what appears to be impossible, possible.

What greater aspiration and challenge are there for a mother than the hope of raising a great son or daughter?