You’re gonna need a bigger boat.

The line is spoken in the 1975 film adaptation of Peter Benchley’s novel Jaws, during the first close reveal of the great white shark alongside the Orca. Police chief Martin Brody (Roy Scheider), chumming over the stern, recoils and delivers the understated warning to shark hunter Quint. Although Benchley wrote the source novel, the line is widely credited to the film’s production process rather than to the book: it does not appear in Benchley’s 1974 novel in this wording, and it is commonly described as an on-set or script refinement that became one of the movie’s most quoted moments.

On its face, the sentence is a practical assessment—an immediate recalibration of risk when the threat proves far larger than expected. Its enduring power comes from the deadpan understatement: Brody’s calm phrasing contrasts with the enormity of what he has just seen, heightening tension and dark humor at once. More broadly, the line has become a cultural shorthand for recognizing that one’s tools, plans, or assumptions are inadequate to the scale of a problem. It captures the pivot from confidence to humility, and from abstract danger to undeniable reality.

“You’re going to need a bigger boat.”
“Oooh, you’re gonna need a bigger boat.”