The power must come from inside you. As you progress with it, you will feel this power grow so when you fight you can use all of it.
13 seconds sound clip from the The Woman Avenger (1980) movie soundboard.
You can hear this line at 00:08:41 in the DVD version of the movie.
Quote context
[...]
- That's a small price to pay. I can take it. After all that I have gone through...
- Lord Buddha was smiling the day that I met you. You can stay here with me, my girl.
- The first position is the attack. You must strengthen your arms and hands.
- The palm of your hand can break bamboo branches.
- You mustn't forget to strengthen your legs. Practice carrying water up and down.
- Your legs are the root of the tree. Don't forget, you must keep them strong.
- Kung fu depends on your movements, on your steps.
- How you stand starts with the feet.
[...]