But if he did not come from another planet, then surely he sprang from our own. Yes, sprang!
12 seconds sound clip from the Planet of the Apes (1968) movie soundboard.
You can hear this line at 01:14:50 in the Blu-ray version of the movie.
Quote context
[...]
- Your archaeological theories have no bearing on the disposition of this creature.
- Let them talk, Mr. President. Let them talk.
- Sirs, our theories have a bearing on his identity.
- How so?
- Let us assume, as common sense dictates that the prisoner's story is false.
- But if he did not come from another planet, then surely he sprang from our own. Yes, sprang!
- As an animal psychologist, I have found no physiological defect to explain why humans are mute.
- Their speech organs are adequate.
- The flaw lies not in anatomy, but in the brain.
[...]