John Kennedy actually said...

"I know that I speak on behalf of all of our countrymen in welcoming our guest of honor."

"This is a difficult challenge in this hemisphere."

"I think the United States values its relations with the countries of Latin America because of historical reasons, cultural reasons, hemispheric ties, geography, and all the rest, probably more warmly ..."

"But if I were to name a single thing which points up the difference this century has made in the American attitude toward science, it would certainly be the wholehearted understanding today of the imp..."