“Want to know what’s more destructive than a nuclear bomb? Words.”
Source: This is cannot be attributes to Kim Jong-un, this quote comes from movie The Interview (II) (2014)
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Kim Jong-un 8
3rd Supreme Leader of North Korea 1984Related quotes

And the solution to the Iran crisis is..., JohannHari.com, January 22, 2006, 2007-01-26 http://www.johannhari.com/archive/article.php?id=783,

“Literature is the opposite of a nuclear bomb.”
From a speech entitled Come September http://ada.evergreen.edu/~arunc/texts/politics/comeSeptember.pdf.
Speeches

Will we wake from our nuclear coma?, JohannHari.com, October 20, 2004, 2007-01-26 http://www.johannhari.com/archive/article.php?id=465,

“The nuclear bomb will turn warfare into the juggling of images.”
Source: 1990s and beyond, The Book of Probes : Marshall McLuhan (2011), p. 360

A Prescription for Hope (1985)
Context: Throughout human history, when confronted with what was deemed a deadly enemy, the fixed human response has been to gather more rocks, muskets, cannons, and now nuclear bombs. While nuclear weapons have no military utility — indeed they are not weapons but instruments of genocide-this essential truth is obscured by the notion of an "evil enemy". The "myth of the other", the stereotyping and demonizing of human beings beyond recognition, is still pervasive and now exacts inordinate economic, psychologic, and moral costs. The British physicist P. M. S. Blackett anticipated this state of paranoia: "Once a nation bases its security on an absolute weapon, such as the atom bomb, it becomes psychologically necessary to believe in an absolute enemy". The imagined enemy is eventually banished from the human family and reduced to an inanimate object whose annihilation loses all moral dimension.

“Far more crucial than what we know or do not know is what we do not want to know.”