The Kringles taught him everything they knew. Of course, Kris had other teachers, the animals.

6 seconds sound clip from the Santa Claus Is Comin' to Town (1970) movie soundboard.

You can hear this line at 00:10:41.316 in the Blu-ray version of the movie.

Quote context

[...]

- And the kangaroos must learn to hop into the prince's hand.

- It's a difficult responsibility when you accept an appointment from His Majesty. (3)

- You must strive for just the perfect quality when you're the first toymaker to the king

(SMALL GROUP APPLAUSE)

- So that's why he makes such wonderful toys?

- That's why.

- The Kringles taught him everything they knew. Of course, Kris had other teachers, the animals.

- But the seals taught him the most important things: How to have fun, and... how to laugh real hard and wonderful, like he meant it.

- Ho-ho-ho-ho!

- Well, years went by and finally, Kris was a fine young man.

- I'm a man now, Tanta. I can take those toys across the Mountain of the Whispering Winds.

- It would be nice if someone played with our toys. If only one of my dollies could be held tight by a little girl.

[...]