Just behave yourself.
1 seconds sound clip from the The Shaolin Heroes (1980) movie soundboard.
You can hear this line at 00:39:09.015 in the Blu-ray version of the movie.
Quote context
[...]
- This sword will decide my life, I promise.
- Go now.
- Ma, I will avenge my father.
- What is this? What are you up to now? Is this another trick?
- Master, how can you say that to such a devoted servant?
- But you're involved in the plot?
- No, that's not true. They don't want you.
- He let you go. Now that makes you dangerous.
- Ah, I didn't reveal anything.
- Uh-huh.
[...]