Boy, you really did it. You were great. You're our class champion.

6 seconds sound clip from the A Boy Named Charlie Brown movie soundboard.

You can hear this line at 00:34:48.829 in the DVD version of the movie.

Quote context

[...]

- Yes, ma'am, the word is 'insecure'? Yes, that's a word I'm well acquainted with.

- Can you imagine? Of course he knows that word. It's his trademark.

- 'Insecure.' I-n-s-e-c-u-r-e. 'Insecure.'

(SCHOOL BELL RINGS)

(KIDS CHATTERING)

- Boy, you really did it. You were great. You're our class champion.

- You didn't think I could do it, did you? But I did it.

- And tomorrow you'll represent our class in the all-school spelling bee.

- I'm going home and really bear down. I'm going to study the whole dictionary.

- This is one rule I must remember: 'I before e, except after c. Or when sounded like a, as in 'neighbor' and 'way.'

[...]