Freedom is indivisible, and when one man is enslaved, all are not free. When all are free, then we can look forward to that day when this city will be joined as one and this country and this great Continent of Europe in a peaceful and hopeful globe. When that day finally comes, as it will, the people of West Berlin can take sober satisfaction in the fact that they were in the front lines for almost two decades. All free men, wherever they may live, are citizens of Berlin, and, therefore, as a free man, I take pride in the words Ich bin ein Berliner.

The only valid test of leadership is the ability to lead, and lead vigorously.

In a very real sense, it will not be one man going to the moon it will be an entire nation. For all of us must work to put him there.

We must seek, above all, a world of peace; a world in which peoples dwell together in mutual respect and work together in mutual regard.

Libraries should be open to all - except the censor.

Any system of government will work when everything is going well. It's the system that functions in the pinches that survive

When power leads man toward arrogance, poetry reminds him of his limitations. When power narrows the area of man's concern, poetry reminds him of the richness and diversity of existence. When power corrupts, poetry cleanses.