“This war, like the next war, is a war to end war.”
Statement, sometimes dated to have been made in 1916, as quoted in Reading, Writing and Remembering : A Literary Record (1932) by Edward Verrall Lucas, p. 296
Undated
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David Lloyd George 172
Former Prime Minister of the United Kingdom 1863–1945Related quotes

Source: The Wisdom of Eleanor Roosevelt
Source: letter to Harry Truman, 22 March 1948

A remark to his private secretary, Lord Sandon, in May 1919. From Terence H. O'Brien, Milner, Viscount Milner of St James and Cape Town 1954-1925, 1979, Constable, p. 335.

“"It's the end of World War I / It's the end of World War II!" - It's the End of the Western”
Lyrics, Solo

“Mankind must put an end to war - or war will put an end to mankind.”
1961, UN speech
Context: Mankind must put an end to war — or war will put an end to mankind.
So let us here resolve that Dag Hammarskjold did not live, or die, in vain. Let us call a truce to terror. Let us invoke the blessings of peace. And as we build an international capacity to keep peace, let us join in dismantling the national capacity to wage war.
Context: We meet in an hour of grief and challenge. Dag Hammarskjold is dead. But the United Nations lives. His tragedy is deep in our hearts, but the task for which he died is at the top of our agenda. A noble servant of peace is gone. But the quest for peace lies before us.
The problem is not the death of one man — the problem is the life of this organization. It will either grow to meet the challenges of our age, or it will be gone with the wind, without influence, without force, without respect. Were we to let it die, to enfeeble its vigor, to cripple its powers, we would condemn our future. For in the development of this organization rests the only true alternative to war — and war appeals no longer as a rational alternative. Unconditional war can no longer lead to unconditional victory. It can no longer serve to settle disputes. It can no longer concern the great powers alone. For a nuclear disaster, spread by wind and water and fear, could well engulf the great and the small, the rich and the poor, the committed and the uncommitted alike. Mankind must put an end to war — or war will put an end to mankind.
So let us here resolve that Dag Hammarskjold did not live, or die, in vain. Let us call a truce to terror. Let us invoke the blessings of peace. And as we build an international capacity to keep peace, let us join in dismantling the national capacity to wage war.
“Let’s not have any more wars to end all war.”
Featherisms (2008)

“A war today or tomorrow, if it led to nuclear war, would not be like any war in history.”
1963, Limited Nuclear Test Ban Treaty speech
Context: A war today or tomorrow, if it led to nuclear war, would not be like any war in history. A full-scale nuclear exchange, lasting less than 60 minutes, with the weapons now in existence, could wipe out more than 300 million Americans, Europeans, and Russians, as well as untold numbers elsewhere. And the survivors, as Chairman Khrushchev warned the Communist Chinese, "the survivors would envy the dead." For they would inherit a world so devastated by explosions and poison and fire that today we cannot even conceive of its horrors. So let us try to turn the world away from war. Let us make the most of this opportunity, and every opportunity, to reduce tension, to slow down the perilous nuclear arms race, and to check the world's slide toward final annihilation.