The three of them never met each other, but I taught them a sign. By showing them this sign, they will do whatever you ask to help you.

13 seconds sound clip from the Ninjutsu (1968) movie soundboard.

You can hear this line at 00:12:27 in the Blu-ray version of the movie.

Quote context

[...]

- Thank you very much. I'll use it well.

- I know my nickname is The Master of The Three Arts, it's true I had three students. To each I taught one art.

- The eldest is an expert at running, climbing, jumping.

- The second is an expert at making weapons and at combat.

- My third student is an expert in hand to hand, and unarmed combat, and use of stealth.

- The three of them never met each other, but I taught them a sign. By showing them this sign, they will do whatever you ask to help you.

- Come on men! Let's play, come on!

- Everybody's welcome. Just try your luck. Come on, men.

- I'll tell you what, I'll bet you 200 that you can't beat me. Here we go, yes, anybody's welcome to try. If you think you can beat me, then put your money where your mouth is.

- It's my throw, wait now, wait a minute, I go first.

[...]