Be thankful that there are people like Yitzhak Dadon standing ready at the front lines of civilization.
He saved lives today. Who knows how many.
“Yitzhak Dadon, a student, said he was armed with a rifle and waited on the roof of a nearby building. “He came out of the library spraying automatic fire … the terrorist came to the entrance and I shot him twice in the head,” he said.”
Would that all Jews knew Talmud as well:
“When your enemy comes to kill you, rise up & kill him first.” Talmud, Berakhot 62b
Not “wait for him to attack you first.” Not “wait for him to get to you.”
Get up & go out to meet him (preferably on a roof, where you have the superior vantage point…)