In these and other areas, the Obama defense and foreign policies have the potential to do much good or considerable harm to the national interest.

CENTERFORSECURITYPOLICY: First, do no harm

The virtuous 60, chosen among Canada's largest companies, will have passed tests designed to reflect the current standards of a small but growing number of investors who want their money to be a force for good (or at least to do no harm).

ECONOMIST: Canada not so dry

Voters are evenly split on whether or not stimulus spending does more good than harm for the US economy.

FORBES: Voters to President and Congress: Get It Done

Mr. BERNANKE: Tendering the adoption of new technologies or inhibiting trade flows would do far more harm than good, as technology and trade are critical sources of overall economic growth and in increases in the standard of living.

NPR: Fed Chief Issues Warning on Income Gap

In January 2012 I was asked whether I was still taking it, after medical trials showed that for those without a history of heart disease or stroke, aspirin was more likely to do harm rather than good.

BBC: Should I take aspirin?

You can't be absolutely sure, but it seems to me the benefit of doing this is overwhelmingly good that it meets the intentions of the persons who kept papers not to embarrass themselves or do harm to others.

NPR: Family Pauses over Woman's Posthumous Request