Plus, countries that encourage their students to study abroad usually do so with the hope that they will return and give back to their home economies.

BBC: The statistics of studying abroad

One of reasons NYC has improved schools dramatically is that unions are tough to deal with but if they can get things for their members they do give back in return to our public and kids.

FORBES: Bloomberg:Obama's Greatest Challenge is Education

That's the sort of return on investment NASA is proud to give back to America and the world.

ENGADGET: NASA and IHMC building X1 exoskeleton to give us a lift, keep us fit in space and on Earth

That way, instead of giving the IRS nearly 40 cents of every dollar you make for which you get no return on investment, you give a little back to yourself by setting up an entity that is charitable and deductible.

FORBES: Opportunity From Adversity: The NFL Bargaining Extension As A Player B-School

So it's cutting the price and saying if you're dissatisfied for any reason, you can return it - so long as you can get your kid to give it back.

NPR: Mattel Cuts Price of Recalled Polly Doll

No complaint here, right? (Laughter.) You give your all and ask very little in return, only that we back you up so our troops can do their job.

WHITEHOUSE: The First Lady Announces New Funding for Military Families

The only thing that we ask in return, and we said this to the girls, is that when this is all over, that you give back, that you do the same for someone else.

WHITEHOUSE: Celebrating National Mentoring Month