build a better mousetrap

A shortening of build a better mousetrap and the world will beat a path to your door. Derived from the quote by Ralph Waldo Emerson: If a man has good corn or wood, or boards, or pigs, to sell, or can make better chairs or knives, crucibles or church organs, than anybody else, you will find a broad hard-beaten road to his house, though it be in the woods. (1855).

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build a better mousetrap (third-person singular simple present builds a better mousetrap, present participle building a better mousetrap, simple past and past participle built a better mousetrap)

1. (idiomatic) To create a new product, method, or idea that is better than an existing version of something already common or widely used.

   Build a better mousetrap, and the world will beat a path to your door. misattributed to Ralph Waldo Emerson

   Of all the inventors to obtain patents, only a few have really built a better mousetrap.

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