Geology is the study of pressure and time.
4 seconds sound clip from the The Shawshank Redemption movie soundboard.
You can hear this line at 01:55:40 in the Blu-ray version of the movie.
Quote context
[...]
- I imagine it appealed to his meticulous nature.
- An Ice Age here, a million years of mountain-building there.
- Geology is the study of pressure and time.
- That's all it takes, really. Pressure and time.
- That and a big goddamn poster.
- Like I said, in prison, a man will do most anything to keep his mind occupied.
- It turns out Andy's favorite hobby was toting his wall out into the exercise yard.
[...]