If we work harder, we make more money.

FORBES: Inequality in America: Andrew Sullivan is Confusing Income with Success Again

If we choose not to work harder, we make less.

FORBES: Inequality in America: Andrew Sullivan is Confusing Income with Success Again

If you promised to raise our pay, we'd work harder.

WSJ: 'Drive' Excerpt by Daniel H. Pink

But if our water systems are going to work harder in the years ahead, we have to start working smarter today.

WHITEHOUSE: Blog Action Day: Protecting America��s Waters Today