“All interstate wars intensify aggression – maximize it”
As quoted in an interview in Reason magazine (February 1973) http://www.antiwar.com/orig/rothbard_on_war.html.
Context: All interstate wars intensify aggression – maximize it … some wars are even more unjust than others. In other words, all government wars are unjust, although some governments have less unjust claims…
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Murray N. Rothbard 43
American economist of the Austrian School, libertarian poli… 1926–1995Related quotes

Taiwan Communique and Separation of Powers: United States. Congress. Senate. Committee on the Judiciary. Subcommittee on Separation of Powers, pp. 199 (1983)

“Nobody is ever involved in an aggressive war; it's always a defensive war -- on both sides.”
Interview by Tor Wennerberg, November 1998 http://www.chomsky.info/interviews/199811--.htm.
Quotes 1990s, 1995-1999
Context: No individual gets up and says, I'm going to take this because I want it. He'd say, I'm going to take it because it really belongs to me and it would be better for everyone if I had it. It's true of children fighting over toys. And it's true of governments going to war. Nobody is ever involved in an aggressive war; it's always a defensive war -- on both sides.
This means that under international law, no country can ever pass a law that allows torture. There can be no immunity from criminal liability for violation of a “jus cogens” prohibition. The United States has always prohibited torture — in our Constitution, laws, executive orders, judicial decisions and treaties. When we ratify a treaty, it becomes part of US law under the Supremacy Clause of the Constitution. “No exceptional circumstances whatsoever, whether a state of war or a threat of war, internal political instability or any other public emergency, may be invoked as a justification for torture,” the Convention Against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment, which the US ratified, states unequivocally. Torture is considered a grave breach of the Geneva Conventions, also ratified by the United States. Geneva classifies grave breaches as war crimes. The US War Crimes Act and 18 USC, sections 818 and 3231, punish torture, willfully causing great suffering or serious injury to body or health, and inhuman, humiliating or degrading treatment. And the Torture Statute criminalizes the commission, attempt, or conspiracy to commit torture outside the United States.
State-Sanctioned Torture in the Age of Trump https://truthout.org/articles/state-sanctioned-torture-in-the-age-of-trump/, by Marjorie Cohn, Truthout (23 January 2017)

Letter to Lord Londonderry (May 1938); published in Wings of Destiny (1943) by Marquess of Londonderry, p. 211

“History teaches that wars begin when governments believe the price of aggression is cheap.”
Address to the nation from the White House http://www.reagan.utexas.edu/archives/speeches/1984/11684a.htm (16 January 1984)
1980s, First term of office (1981–1985)

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

Can Life Prevail?: A Revolutionary Approach to the Environmental Crisis. page 152