- Well, I'll admit I didn't cover myself with glory, but I did learn one important fact.
- What is it?

4 seconds sound clip from Superman (1948) - Superman To The Rescue (Chapter 8).

You can hear this line at 00:04:11.534 in the Blu-ray version of the episode.

Quote context

[...]

- Well, Mr. Kent, what's the story?

- I was doing all right, but Superman came in and told me to lay low while he took over.

- Oh, how thoughtful of you to be so considerate of yourself.

- Even if the Spider Lady's men were not captured, you did rescue Jimmy.

- Thanks to Superman.

- You helped too, Lois, with your police whistle.

- Well, I'll admit I didn't cover myself with glory, but I did learn one important fact.

- What is it?

- I gathered from what one of the men said, Dr. Hackett is working on a plan to steal a reducer ray.

- That's a big order, since the government is guarding it.

- And so is Superman.

- That wouldn't stop the Spider Lady.

- She's a dangerous opponent while she holds the kryptonite.

[...]