At this very moment, he is starting to awaken. Very soon, he will leave his home.
10 seconds sound clip from the Jack Frost (1979) movie soundboard.
You can hear this line at 00:38:24 in the Blu-ray version of the movie.
Quote context
[...]
- But, sir, spring can't come early. I've got to keep that castle snowbound.
- Oh, please, sir, don't take winter away. Not yet.
- It's not up to me, Jack Frost. I take my orders from Nature.
- When she gives me a certain sign, I know it's my time to leave.
- At this very moment, he is starting to awaken. Very soon, he will leave his home.
- If he stays outside, and is not frightened by his shadow, that will be my sign to move on.
- But if his shadow frightens him?
- Of course, that didn't eliminate magic shadows.
[...]