By order of the Emperor, one man from every family must serve in the Imperial Army.
9 seconds sound clip from the Mulan (1998) movie soundboard.
You can hear this line at 00:14:41 in the Blu-ray version of the movie.
Quote context
[...]
- Citizens, I bring a proclamation from the Imperial City.
- The Huns have invaded China.
- By order of the Emperor, one man from every family must serve in the Imperial Army.
- I will serve the Emperor in my father's place.
- No!
[...]