If you can't say something nice, don't say nothing at all.
— Thumper The Rabbit (Peter Behn)
12 seconds sound clip from the Bambi (1942) movie soundboard.
You can hear this line at 00:10:15 in the Blu-ray version of the movie.
Quote context
[...]
- He doesn't walk very good, does he?
- Thumper.
- What did your father tell you this morning?
- If you can't say something nice, don't say nothing at all.
- Come on, Bambi, get up. Try again.
- Come on, get up. Get up, Bambi. Get up. Try again.
- I'm thumping. That's why they call me Thumper. Thumper!
- Come on. You can do it. Hop over it. Like this.
[...]