But, as the saying goes, a rising tide lifts all boats.

And in the 1990's, prosperity convinced many Americans that the free market lifts all boats.

"If we get new money trickling into this market, it may not be enough to lift all boats," he said.

"But in the next two years, a rising tide will lift all boats."

This view is expressed in the saying, a rising tide lifts all boats.

Everybody knows that a rising stock market lifts all boats.

The boom has lifted all boats, and that is its great social gift.

In other words, the rising tide of economic growth does not lift all boats equally.

"People were happy because it looked as if a rapidly rising tide was lifting all boats."

"What Boston shows is that a rising tide does not lift all boats," he said.