“Our policy is simple: We are not going to betray our friends, reward the enemies of freedom, or permit fear and retreat to become American policies, especially in this hemisphere. None of the wars in my lifetime came about because we were too strong.”

“Ask not what your country can do for you—ask what you can do for your country.”

“Those who make peaceful revolution impossible will make violent revolution inevitable.”

“The proletarians have nothing to lose but their chains. They have a world to win.”

“War may sometimes be a necessary evil. But no matter how necessary, it is always an evil, never a good. We will not learn how to live together in peace by killing each other's children.”