He should have killed her, but he didn't. Maybe it's the way she looked at him Maybe she reminded him of someone.
16 seconds sound clip from the Shogun Assassin (1980) movie soundboard.
You can hear this line at 00:52:08 in the Blu-ray version of the movie.
Quote context
[...]
- You will wish you have been wiser.
- Soon you'll stand by your mother's side. Understood?
- Daigoro.
- That was the first time I ever saw my father spare the life of an enemy.
- To find the Shogun's brother, we had to take a ship. It was fun.
- But there are too many people on the ship. Too many dangerous people.
- All aboard! All aboard! All new passengers, get out your money, please!
- Rebels.
[...]