“Survivors should be like seismographs… They should sense danger before others do, identify its outlines and reveal them. They are not entitled to be wrong a second time or regard as harmless something that might lead to catastrophe.”
York Times Obituary, 9/20/2005 https://www.nytimes.com/2005/09/20/international/europe/simon-wiesenthal-nazi-hunter-dies-at-96.htmlNew
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Simon Wiesenthal 3
Austrian Holocaust survivor noted for his work as a Nazi hu… 1908–2005Related quotes

Rogers Commission Report (1986)
Context: The acceptance and success of these flights is taken as evidence of safety. But erosion and blow-by are not what the design expected. They are warnings that something is wrong. The equipment is not operating as expected, and therefore there is a danger that it can operate with even wider deviations in this unexpected and not thoroughly understood way. The fact that this danger did not lead to a catastrophe before is no guarantee that it will not the next time, unless it is completely understood. When playing Russian roulette the fact that the first shot got off safely is little comfort for the next. The origin and consequences of the erosion and blow-by were not understood. They did not occur equally on all flights and all joints; sometimes more, and sometimes less. Why not sometime, when whatever conditions determined it were right, still more leading to catastrophe?
In spite of these variations from case to case, officials behaved as if they understood it, giving apparently logical arguments to each other often depending on the "success" of previous flights.

1880s, 1880, Letter to Theo (Cuesmes, July 1880)

“Something doesn't start
at its usual time.
Something doesn't happen
as it should.”
"Cat in an Empty Apartment"
Poems New and Collected (1998), The End and the Beginning (1993)
Context: Something doesn't start
at its usual time.
Something doesn't happen
as it should.
Someone was always, always here,
then suddenly disappeared
and stubbornly stays disappeared.

representing imperialism and capitalism.
2010s, A Dark Time in America (2016)

When asked how the world had changed following the September 11, 2001 attacks
Has the world changed? http://books.guardian.co.uk/writersreflections/story/0,1367,567546,00.html, The Guardian (October 11, 2001)