Build a better mousetrap, and the world will beat a path to your door.

There are, of course, always those who claim to have discovered an even better mousetrap.

They may have a single product, and thus be vulnerable to the better mousetrap.

But its makers have built a better mousetrap in a number of important ways.

Having built a better mousetrap, he had tried to limit the number of people coming to see it.

If you build a better mousetrap, millions will be in your debt.

Maybe the free market has to work that way; the door must always be open for presumably better mousetraps.

I hope that right now someone back in Washington is thinking of a better mousetrap for the next war.

"We're looking for places where somebody can take market share with better mousetraps," he said.

"It's a question of whether you have a better mousetrap."