It's all there in the letter.
2 seconds sound clip from the Dragon on Shaolin Tower movie soundboard.
You can hear this line at 00:46:19.820 in the Blu-ray version of the movie.
Quote context
[...]
- Something's on your mind. Out with it.
- It's been almost eight years now since we first met.
- Mhmm. Eight years, three months and 29 days.
- Times have been hard. I haven't given you a good life. Please forgive me.
- No, you're wonderful to me! What do you wanna say?
- For eight years, three months and 29 days. To your health.
- It's all there in the letter.
- Why do you do this to me? Speak up, talk to me!
- Don't ask me why. Don't ask me why!
- If you think divorce is going to help, I don't mean to say...
- Maybe your reasons are justified.
- Dad. How can you just divorce her?
- I thought you wanted me to do it. You've never liked her.
[...]