He hasn't yet learned his fears, he's still wet behind the ears.
7 seconds sound clip from the The Life and Adventures of Santa Claus (1985) movie soundboard.
You can hear this line at 00:10:53.425 in the Blu-ray version of the movie.
Quote context
[...]
- I will call him Claus. For in the language of our forest it means little one. Little Claus.
- It gets a bit chilly in this forest at times. Luck to you, child.
- Til his careless days are over, he'll be wrapped In four-leaf clover overall.
- He hasn't yet learned his fears, he's still wet behind the ears.
- The acorn under a shady oak, he thinks it's all a great big joke.
- Tingler is here for your language lesson.
- What's it gonna be today? Squirrel, bee songs, wood flower poetry, or elephant?
- All wrong, torto, incorreto, falsch, all wrong.
- Finch.
[...]