Since that time, although I kept the sword, I swore never to hurt anybody with it.
12 seconds sound clip from the 18 Jade Arhats (1978) movie soundboard.
You can hear this line at 01:05:01 in the DVD version of the movie.
Quote context
[...]
- I waited six hours. Not a sign.
- One time I was very fond of fighting duels. Used to seek-out well known swordsman.
- Since that time, although I kept the sword, I swore never to hurt anybody with it.
- I invited him for a friendly contest, for a friendly test of skill, not to kill him.
- Well then, just who did kill him?
- I wouldn't know. But it happened near Wang's house. So why don't you make inquiries there?
- You're the one who killed Wang Chung-Wei.
[...]