Sealed Quotes (1 quote)
The only truly secure system is one that is powered off, cast in a block of concrete and sealed in a lead-lined room with armed guards—and even then I have my doubts.
As quoted in epigraph to A.K. Dewdney, 'Computer Recreations: Of Worms, Viruses and Core War' by A. K. Dewdney in Scientific American (Mar 1989), 110. Also on the koth.org website.

In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion.
(1987) --
Carl Sagan
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