Tonight you have learned the final and greatest truth of the ninja that ultimate mastery comes not of the body but of the mind.
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.
- So you actually played professionally?
- Before I got hurt, less than a year.
[...]