No, better use many styles. If you really want to win, you'll have to be flexible. So, when they advance, retreat. Always, you use the opposite technique to them.
13 seconds sound clip from the Heroes of the East (1978) movie soundboard.
You can hear this line at 00:55:49.100 in the DVD version of the movie.
Quote context
[...]
- And with your background, which is quite good, I know you won't lose every match.
- I know you won today, but Karate, though... That's really tough.
- Japanese boxing is good. Hard to counter. You might not be his match.
- Don't worry. Chinese boxing has many styles, but Japanese has just got one.
- Use the Shaolin Low Hand Style. That's the best.
- You know what style that is.
- What style is it? What style is he talking about?
- Hey, no. It's no use. You know that he doesn't take any pupils.
- But still, Teacher will be real mad.
- Ah... well, he needn't know. We won't tell him. Go on.
- Right.
[...]