On this planet, it's easy.
4 seconds sound clip from the Planet of the Apes (1968) movie soundboard.
You can hear this line at 01:32:16 in the Blu-ray version of the movie.
Quote context
[...]
- How did you know we'd come here?
- It wasn't difficult. Only an apostate would flee to the Forbidden Zone.
- And only a fool would give a gun to an animal.
- I see you've brought the female of your species.
- I didn't realize that man could be monogamous.
- I'll ask you to reconsider the rash course you've undertaken.
- If you're convicted of heresy, the most you'll get is two years.
- But, if you persist in pointing guns in my direction, you'll hang for high treason.
- We never meant to be treasonous, sir.
[...]