Go to the young man, and wear the same happy look you had before.
5 seconds sound clip from the Isle of the Dead (1945) movie soundboard.
You can hear this line at 00:44:25.430 in the Blu-ray version of the movie.
Quote context
[...]
- I try to be good. I try to be kind. But how can I know what my spirit...
- Your spirit is yourself, Thea. You needn't worry about Vorvolakas.
- When you left this room a few moments ago, there was an open, giving look on your face.
- Where were you going? To that young man? And why didn't you go to him?
- You met the General and he talked to you of this nonsense. That's it, isn't it?
- Go to the young man, and wear the same happy look you had before.
- What do you mean, spying on us like this? You must have known we were here.
- What are you going to do about it?
- When I am sure, I will destroy her.
[...]