The generals sense republicans everywhere, and view Morocco's democracy movement as the king's natural enemy.

ECONOMIST: Morocco

Fundamentalism, which often becomes more intense in times of change and uncertainty, however, is the natural enemy of balance.

ECONOMIST: International

Haredism, for all its religious extremism, is the natural enemy of nationalist extremism.

ECONOMIST: Looking ahead

To the congregation, and the crowd outside, this is an extraordinary gesture by a man assumed to be a natural enemy.

ECONOMIST: Poland prepares to bury a president

Still quoting Tom Paine: "He sees his species not with the inhuman idea of a natural enemy" you're either with us or against us, no.

NPR: Community in Action

They are not a natural enemy of the status quo.

NEWYORKER: Small Change

Natural disasters and accidents, for example, are attributed to offended gods or to an enemy who has employed a witch to harness supernatural powers.

ECONOMIST: The spirits that move Africa

He believed to the end that natural selection was the motor of evolution and stood shoulder to shoulder with the neo-Darwinists against the common creationist enemy that continues to stalk parts of American society most worryingly its school system.

ECONOMIST: Stephen Jay Gould