"It is an extreme and evil ideology whose roots lie in a perverted and poisonous misinterpretation of the religion of Islam."

Since 1968, the left has taken millions captive, and we must help those Democrats who truly want to be free to actually break free of this evil ideology.

Many of the extremists called echoed Breivik's political views; one said that "Islam is an evil political ideology disguised as a religion."

They point to historical and psychological evidence that suggests ordinary people become evil when they identify with evil ideology.

They have proposed a number of factors that may be used to explain how people become swayed by evil ideology, including:

On 13 July 2005, he told that international cooperation would be needed to "pull up this evil ideology by its roots".

We are taking the fight to the enemy, we are working to advance freedom and democracy, to defeat their evil ideology.

What we are confronting here is an evil ideology.

After the meeting, Mr. Blair repeated his assertion that the attackers were inspired by an "evil ideology."

And to recall how many of your fellow citizens sacrificed their lives, courageously resisting the forces of that evil ideology.