Tonight you have learned the final and greatest truth of the ninja that ultimate mastery comes not of the body but of the mind.
— Splinter (Kevin Clash)
17 seconds sound clip from the Teenage Mutant Ninja Turtles (1990) movie soundboard.
You can hear this line at 01:00:39 in the Blu-ray version of the movie.
Quote context
[...]
- Leo if you dragged us out here for nothing...
- Don't worry. I came prepared.
- Now, everybody close your eyes and concentrate. Concentrate hard.
- Together, there is nothing your four minds cannot accomplish.
- Help each other. Draw upon one another.
[...]