“No treaty, however much it may be to the advantage of all, however tightly it may be worded, can provide absolute security against the risks of deception and evasion. But it can — if it is sufficiently effective in its enforcement and if it is sufficiently in the interests of its signers — offer far more security and far fewer risks than an unabated, uncontrolled, unpredictable arms race.”
1963, American University speech
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John F. Kennedy 469
35th president of the United States of America 1917–1963Related quotes

1963, American University speech

17 U.S. (4 Wheaton) 316, 428
McCulloch v. Maryland (1819)

Source: The Geological Evidences of the Antiquity of Man (1863), Ch.21, p. 411-412
Context: The competition of races and species, observes Mr. Darwin, is always most severe between those which are most closely allied and which fill nearly the same place in the economy of nature. Hence, when the conditions of existence are modified, the original stock runs great risk of being superseded by some one of its modified offshoots. The new race or species may not be absolutely superior in the sum of its powers and endowment to the parent stock, and may even be more simple in structure and of a lower grade of intelligence, as well as of organisation, provided, on the whole, it happens to have some slight advantage over its rivals. Progression, therefore, is not a necessary accompaniment of variation and natural selection, though, when a higher organisation happens to be coincident with superior fitness to new conditions, the new species will have greater power and a greater chance of permanently maintaining and extending its ground.

“Alcohol, taken in sufficient quantities, may produce all the effects of drunkenness.”

“Only those who will risk going too far can possibly find out how far one can go.”
Preface to Transit of Venus: Poems by Harry Crosby (1931)

Concurring opinion, Yates v. United States, 354 U.S. 298 (1957).

Innovations and Entrepreneurship (1985)
1960s - 1980s

1961, UN speech
Context: For fifteen years this organization has sought the reduction and destruction of arms. Now that goal is no longer a dream — it is a practical matter of life or death. The risks inherent in disarmament pale in comparison to the risks inherent in an unlimited arms race.
In short, general and complete disarmament must no longer be a slogan, used to resist the first steps. It is no longer to be a goal without means of achieving it, without means of verifying its progress, without means of keeping the peace. It is now a realistic plan, and a test — a test of those only willing to talk and a test of those willing to act.
Such a plan would not bring a world free from conflict and greed — but it would bring a world free from the terrors of mass destruction. It would not usher in the era of the super state — but it would usher in an era in which no state could annihilate or be annihilated by another.
But to halt the spread of these terrible weapons, to halt the contamination of the air, to halt the spiraling nuclear arms race, we remain ready to seek new avenues of agreement, our new Disarmament Program thus includes the following proposals: