John Kennedy actually said...

"But the first ingredient, let me emphasize, is the cessation of work on missile sites in Cuba and measures to render such weapons inoperable, under effective international guarantees."

"I would like to say again that the United States is very much interested in reducing tensions and halting the arms race; and if your letter signifies that you are prepared to discuss a detente affecti..."

"It is therefore the position of the United States that as an urgent preliminary to consideration of any proposals work on the Cuban bases must stop; offensive weapons must be rendered inoperable; and ..."

"The first thing that needs to be done, however, is for work to cease on offensive missile bases in Cuba and for all weapons systems in Cuba capable of offensive use to be rendered inoperable, under ef..."