Well, people say that Shaolin Kung Fu is number one.
3 seconds sound clip from the Shaolin Temple Strikes Back (1981) movie soundboard.
You can hear this line at 00:17:54.180 in the DVD version of the movie.
Quote context
[...]
(Speaking Mandarin) This is the temple. The ceremony will be held here.
(Speaking Mandarin) This is the monastery. The monks will come here to pray.
- They're the final resting places for all the abbots of the monastery.
- Oh.
- Are all these Shaolin monks really good at Kung Fu?
- Well, people say that Shaolin Kung Fu is number one.
- But why are all these monks so good at Kung Fu?
- Probably because their heads are shaven.
- Hm, right. Then shave your head too. Huh? What? Shave my head?
- I want you to be very helpful. Do it at once.
- Ha ha ha...! Looks good, looks good!
[...]