That's the part I put in.
3 seconds sound clip from the Mary Poppins movie soundboard.
You can hear this line at 00:19:24 in the Blu-ray version of the movie.
Quote context
[...]
- Wanted: A nanny for two adorable children.
- Adorable - well, that's debatable, I must say.
- If you want this choice position, have a cheery disposition.
- You must be kind, you must be witty, very sweet and fairly pretty.
- Well, of all the ridic... George, please!
- Take us on outings, give us treats, sing songs, bring sweets.
- Never be cross or cruel, never give us castor oil or gruel.
[...]