Also, it is the law of our native planet.
6 seconds sound clip from The Transformers (1984) - Heavy Metal War TV Series.
You can hear this line at 00:05:45 in the DVD version of the movie.
Quote context
[...]
- The loser must exile himself and his army to deep space for eternity.
- The winner may stay where he chooses.
- Do you have the courage for that?
- And you could take him, Optimus. You're the best!
- Also, it is the law of our native planet.
- Very well, I accept the challenge.
- Somehow I felt you would. You have such a strong sense of honor.
- Your invention is completed, Scrapper. Then we are ready.
- So proceed with the strength transfer.
[...]