Liability
Liability was the legal concept of being monetarily and personally responsible for any accident which might befall another.

In 2371, after two of several darts that Quark tried to throw at a dartboard hit Morn instead, Quark complained about Miles O'Brien's plan to introduce the game of darts to Quark's, saying, "Now what if one of those darts had gotten into his eye? Do you realize I'd be liable for that? Do you know how much money an eye costs?" ()

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Law
Economics