“People naturally prefer to cling to established ways of doing things. Change is hard. Large organizations especially favor practices they have already mastered, even if those practices, fashioned decades before, are outdated…Yet the resistance to change remained…more often than not I heard from senior officials: ‘Don’t change anything. Everything is fine.’ “
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Source -
Rumsfeld, Donald. Known and Unknown: A Memoir. New York: Sentinel, 2011. Print. pp. 294-295.