The simple motivation for the rest of the government is to get rid of the thing by getting it through.

The Secret Service also relies on the simple motivation of patriotism; some hotel managers, they say, are proud to put them up.

As in economic analysis, the theory gets easier if one assumes that human beings have very simple motivations, like always seeking to maximize profit.

One associate sees a simpler motivation.

Experts say the extreme tactics deployed by Gingrich and his allies has a simple motivation: stop Romney.

And then there were the simpler motivations.

In fact, the surge in suicide bombings may be fueled by a more simple motivation.

Human frailties would follow man to the stars, but some of the simpler motivations to violence could be left in the Cradle.

More than individual images, the albums best highlight Lartigue's simple motivation for taking photographs: to capture the happy moments of his life.

But some detainees may have a simpler motivation: survival.