“I do not say that a world without aggression or threats of war would be an easy world. It will bring new problems, new challenges from the Communists, new dangers of relaxing our vigilance or of mistaking their intent. But those dangers pale in comparison to those of the spiraling arms race and a collision course towards war. Since the beginning of history, war has been mankind’s constant companion.”
1963, Limited Nuclear Test Ban Treaty speech
Context: I do not say that a world without aggression or threats of war would be an easy world. It will bring new problems, new challenges from the Communists, new dangers of relaxing our vigilance or of mistaking their intent. But those dangers pale in comparison to those of the spiraling arms race and a collision course towards war. Since the beginning of history, war has been mankind’s constant companion. It has been the rule, not the exception. Even a nation as young and as peace-loving as our own has fought through eight wars.
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John F. Kennedy 469
35th president of the United States of America 1917–1963Related quotes

1960s, A Time for Choosing (1964)
Context: As for the peace that we would preserve, I wonder who among us would like to approach the wife or mother whose husband or son has died in South Vietnam and ask them if they think this is a peace that should be maintained indefinitely. Do they mean peace, or do they mean we just want to be left in peace? There can be no real peace while one American is dying some place in the world for the rest of us. We're at war with the most dangerous enemy that has ever faced mankind in his long climb from the swamp to the stars, and it's been said if we lose that war, and in so doing lose this way of freedom of ours, history will record with the greatest astonishment that those who had the most to lose did the least to prevent its happening. Well I think it's time we ask ourselves if we still know the freedoms that were intended for us by the Founding Fathers.

Interview https://www.newstatesman.com/politics/2015/01/winston-churchill-new-statesman-archive with Kingsley Martin for the New Statesman (7 January 1939)
The 1930s
"The Iron Fist Behind the Invisible Hand: Capitalism As a State-Guaranteed System of Privilege" (2011)

On democracy. Quarterly Review, 115, 1864, p. 239
1860s

Twitter account, February 2019

Broadcast (30 July 1950) on the Korean War, quoted in The Times (31 July 1950), p. 4.
1950s

Source: 1990s and beyond, A McLuhan Sourcebook (1995), p. 291

Acceptance Speech, Army-Navy "Excellence" Award (16 November 1945)
Context: It is with appreciation and gratefulness that I accept from you this scroll for the Los Alamos Laboratory, and for the men and women whose work and whose hearts have made it. It is our hope that in years to come we may look at the scroll and all that it signifies, with pride. Today that pride must be tempered by a profound concern. If atomic bombs are to be added as new weapons to the arsenals of a warring world, or to the arsenals of the nations preparing for war, then the time will come when mankind will curse the names of Los Alamos and Hiroshima. The people of this world must unite or they will perish. This war that has ravaged so much of the earth, has written these words. The atomic bomb has spelled them out for all men to understand. Other men have spoken them in other times, and of other wars, of other weapons. They have not prevailed. There are some misled by a false sense of human history, who hold that they will not prevail today. It is not for us to believe that. By our minds we are committed, committed to a world united, before the common peril, in law and in humanity.