Self-destruction and the destruction of other life are closely related in the mind. The dividing line is very thin.

— Dr. Antonio Bacile (Bela Lugosi)

12 seconds sound clip from the The Doctor Prescribed Death (Suspense) classic radio play.

You can hear this line at 00:01:41 in the radio play.

Quote context

[...]

- I worked on that theory for a long time. I am positive of it. I know it'll work.

- Suppose it will. What good is it? What good have you accomplished if you can prove it'll work?

- Are you laughing at me?

- It's so silly!

- An ordinary human being who suffered reverses is sick of it all, he wants to leave it all behind.

- And you say he can be changed to want to kill someone else...

- I do.

- Self-destruction and the destruction of other life are closely related in the mind. The dividing line is very thin.

- It's ridiculous.

- And you won't publish it?

- Granger would fire me.

- Why?

- He told me that in his opinion you should be in the asylum.

- Mr. Granger said that? Does he think I am insane?

[...]