[Enemy Of The State]

"And they are ruthless, relentless, persistent and patient about revenge"

Makes sense. Wasn't it an old Chinese proverb that says revenge is a dish best served cold?

[The Pheonix]

And 90 % of Kung Fu movies has a story line that it is the sacred duty of NUMBER ONE SON to avenge the father's death-----the revenge against the father's killers is a MUST for the son, no matter even if it is one against a 1000 enemies,........