They also express their enmity towards a rival called The Jester – an ex-US military hacker who usually attacks jihadist sites, but has become embroiled in a dispute with Anonymous, WikiLeaks and LulzSec over the leaked diplomatic cables and, more recently, LulzSec's attacks on US government websites, including those of the CIA and the US Senate.
In recent weeks, as word has spread that he might be coming to study at the monastery, emotions have spiked, as have the numbers of police officers, both uniformed and in plain clothes, hoping to head off trouble in a place where ethnic Tibetans have been unafraid to express their enmity toward Chinese rule.
But on Wednesday, as warm sun cast the campus in a golden light and the trees around Harvard Yard showed the first signs of changing hue, students and professors expressed little enmity for Mr. Summers or angst about his return.
Since then, mutual enmity, expressed in military confrontations, acts of sabotage and a steady stream of invective, has ripened into a broader strategic rivalry.
Compared to the enmity expressed over Facebook, the enumerated threats of Google –typically the go-to strategic threat in Silicon Valley look rather banal.
The outcome of the Great Siege made it politically impossible for the British government to again consider trading away Gibraltar, even though King George III warned that it would be the source "of another war, or at least of a constant lurking enmity" and expressed his wish "if possible to be rid of Gibraltar .
He earned James's enmity by boldly expressing his belief in constitutional monarchy and rejecting the doctrine of the divine right of kings.
Mr. Osgood expressed dismay over the public expression of enmity.
Enmity toward the Jews was expressed most acutely in the church's teaching of contempt.
That rivalry and enmity are different ways of expressing respect and love.
