Now, you must forgive him. He's only a boy.
3 seconds sound clip from the The Sword in the Stone (1963) movie soundboard.
You can hear this line at 00:09:35.400 in the Blu-ray version of the movie.
Quote context
[...]
- Come, come. Who are you, my lad?
- Oh, my name's Arthur, but everyone calls me Wart.
- Oh.
- Oh, what a perfect stuffed owl.
- And certainly a great deal better than you do.
- Oh, come, Archimedes. Come, come, now. I want you to meet the Wart.
- Now, you must forgive him. He's only a boy.
- He's much too sensitive. Sensitive? Huh? Who? What, what?
- Oh!
- How did you know that I was...
- Oh, that you'd be dropping in? Well, I happen to be a wizard. A soothsayer, a prognosticator.
[...]