An interesting quote from "Starship Troopers", Robert A. Heinlein 1959. The movie that came out in 1997 seems to have very little in common with the book; an excellent discussion of the true meaning of citizenship and the scarcity of honor and self-sacrifice among the human race.
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Here’s a very interesting paper discussing the The Nature of "Federal Service" in Rober A. Heinlein’s "Starship Troopers": Gifford, James. 1996.