The Lost World: Jurassic Park1997

Eddie Carr:
I loaded the enhanced venom of Conus purpurascens, the South Sea cone shell. Most powerful neurotoxin in the world. Acts within a two-thousandth of a second. Faster than the nerve-conduction velocity. The animal's down before it feels the prick of the dart.

Ian Malcolm:
Is there an antidote?

Eddie Carr:
What, like if you shot yourself in the foot? Don't do that. You'd be dead before you realized you'd had an accident.