[Thunderous approaching footsteps send Donald Gennaro fleeing into a restroom]
Alan Grant: Now where does he think he's going?
Ian Malcolm: When you gotta go, you gotta go.
Alan Grant: Now where does he think he's going?
Ian Malcolm: When you gotta go, you gotta go.
[Thunderous approaching footsteps send Donald Gennaro fleeing into a restroom]
Alan Grant : Now where does he think he's going?
Ian Malcolm : When you gotta go, you gotta go.
http://www.moviequotedb.com/movies/jurassic-park/quote_12184.html