In order to inflict serious harm, a virus has to clear several biological hurdles.
"They killed the intellectuals in order to inflict ignorance on us," Mr. Assad said of his opponents.
Despite what happened at Boston, terrorist groups normally prefer to carry out their bombings in confined spaces in order to inflict large numbers of casualties.
Yet it appears that ordinary Americans are about as willing to blindly follow orders to inflict pain on an innocent stranger as they were four decades ago.
He couldn't teach everything, particularly the quality that fighters call "heart": the ability to endure pain in order to inflict it.
Google, which, of course, must be able to read its customers' e-mail in order to inflict advertisements on them, nevertheless relies on people trusting it to guard their data, observes Dr Green".There's a lot of anger out there," says Christopher Soghoian, principal technologist at the American Civil Liberties Union, a lobbying group.
On Saturday, Clinton campaign chair John Podesta said: "By providing selective information, he's allowed partisans to distort and exaggerate in order to inflict maximum political damage and no one can separate what is true from what is not because Comey has not been forthcoming with the facts.
In the eyes of his opponents, Crow's achievements were gouged out by exploiting his position in order to inflict misery on travellers.
But, so far, it has failed to demonstrate it is willing to hurt its own interests in order to inflict some pain on President Putin and the Russian economy.
But when its president trashes his own stock in order to inflict greater pain on the dot.coms, we see evidence that even the world's most powerful Goliaths tremble before the Net's disruptive powers.
