For the record, the Koran does say to terrorize non-Muslims. Here is an example.
Koran verses 8.12 & 8.13
YUSUFALI: Remember thy Lord inspired the angels (with the message): "I am with you: give firmness to the Believers: I will instil terror into the hearts of the Unbelievers: smite ye above their necks and smite all their finger-tips off them."
YUSUFALI: This because they contended against Allah and His Messenger: If any contend against Allah and His Messenger, Allah is strict in punishment.
For those that do not have the time to watch the entire video, please watch it from the 7:00 mark on.