Excerpts from Books and Wikipedia
"Their city had been divided and besieged for 18 years, and now a wall divided citizens and separated families. It was, he insisted, an offense against history and an offense against humanity. Yet the people of Berlin had not been forgotten--there island of freedom was part of the main, and their struggle symbolized that have the whole free world against the tyranny of communism. Freedom was indivisible, and therefore all free man, including Kennedy himself could take pride in the words 'Ich bin ein Berliner' (I am a Berliner). There could have been no more defiant affirmation that the West was standing by Berlin until their city and country was reunified." [Furtado: 1001 Days]