According to Dr. Hasslein's theory of time, in a vehicle traveling nearly the speed of light, the Earth has aged nearly 700 years since we left it... While we've aged hardly at all.
15 seconds sound clip from the Planet of the Apes (1968) movie soundboard.
You can hear this line at 00:00:43 in the Blu-ray version of the movie.
Quote context
[...]
- And that completes my final report until we reach touchdown.
- We're now on full automatic in the hands of the computers.
- I've tucked my crew in for the long sleep and I'll be joining them soon.
- In less than an hour, we'll finish our sixth month out of Cape Kennedy.
- Six months in deep space, by our time, that is.
- Maybe so. This much is probably true.
- The men who sent us on this journey are long since dead and gone.
- You who are reading me now are a different breed. I hope a better one.
- I leave the 20th century with no regrets.
- But one more thing, if anybody's listening, that is.
[...]