I've been trying to frighten myself, but nothing works. It isn't that I'm too intelligent. Just too grown up.

— Dr. Warren Chapin (Vincent Price)

9 seconds sound clip from the The Tingler (1959) movie soundboard.

You can hear this line at 00:34:10 in the Blu-ray version of the movie.

Quote context

[...]

- Me too. At least she said good morning. Even smiled.

- So look out. The roof is going to fall in.

- Coffee, Warren?

- No, thanks.

- You know, I've been thinking... Yes, matter of fact, I'd love a cup of coffee. Thank you.

- So?

- I've been trying to frighten myself, but nothing works. It isn't that I'm too intelligent. Just too grown up.

- Kids can scare themselves by lying in the dark and making ghosts out of chairs, but we can't.

- The only way I can frighten myself is to make it real. Jump out of a window, get run over by a car, go out and drown.

- After those x-rays, we know The Tingler exists.

- Why do you have to scare yourself for?

[...]