I don't believe they could have become that powerful. Take me there now.
4 seconds sound clip from the Invincible Iron Palm (1971) movie soundboard.
You can hear this line at 01:02:28.778 in the Blu-ray version of the movie.
Quote context
[...]
- Hey there. Time for some sleep.
- Ah. Yeah, it is late. Go get some sleep.
- Chen Jing. Chen Jing. Chen Jing!
- Who would have thought those Han brothers would do it?
- I don't believe they could have become that powerful. Take me there now.
- Quick now! Over there! Look! Over there!
- Come on over here! Let's help them up!
[...]