Yes. How do you do that, professor?

3 seconds sound clip from the House of Wax (1953) movie soundboard.

You can hear this line at 00:05:33 in the Blu-ray version of the movie.

Quote context

[...]

- To you, they're wax. But to me, their creator, they live and breathe.

- Here we have two great lovers from the past. Cleopatra, queen of Egypt, and Mark Antony. Their last meeting.

- You'll recall that Antony, believing Cleopatra to be dead, killed himself with his own sword.

- When Cleopatra discovered what happened, she quickly followed her lover.

- You noticed how cleverly the hair is mounted on the scalp?

- Yes. How do you do that, professor?

- Well, real hair of the proper color and texture is pressed into the slightly warmed wax with a scalpel one hair at a time. Each wave and curl of the subject's own hair is reproduced.

- Here's President Lincoln and his assassin, John Wilkes Booth, one of my few concessions to the macabre.

- That's the best figure of Booth I've seen. You almost expect him to speak.

- I wonder what he'd say after all these years. I'm sure he'd rant a bit.

[...]