Not only have you been kind, I would say you've really saved my life.
4 seconds sound clip from the Invincible Iron Palm (1971) movie soundboard.
You can hear this line at 00:43:56.334 in the Blu-ray version of the movie.
Quote context
[...]
- Who'd have thought Wong Te Ming would have such a beautiful wife, huh? Sure deserves some credit.
- I'll send someone now to set him free.
- Sir!
- Sir!
- Sir, you're so good. Though I don't normally drink, I'll just take a sip.
- Not only have you been kind, I would say you've really saved my life.
- I'm sending you home. I'm sending you home.
- Oh, don't you worry. I just want to be friendly. Let's hope we're going to be good friends now, huh?
- If you don't want to be friendly with me, then I shall be businesslike.
[...]