It must have been valuable. He paid the university fee of five thousand dollars for the use of the chamber. He's on his way back there now.
9 seconds sound clip from the X Minus 1 - A Gun for Dinosaur by L. Sprague de Camp classic radio drama series.
You can hear this line at 00:24:13 in the radio play.
Quote context
[...]
- Well, we were standing in the laboratory at the university, waiting for the time chamber.
- Oh, by the way, you just missed him.
- That last client of yours, Mr. James.
- Well, that's good luck. What was he doing here?
- He's gonna stand there and watch himself come out?
- Yeah, but doesn't that create what you chaps call a - a paradox?
- What happens when a man tries to occupy the same time twice?
- Well, we don't know. It's never been tried before.
- We tried to warn him but he insisted.
- Yes, I know. He's a headstrong chap.
[...]