Have I been perfect? No.
4 seconds sound clip from the Big Hero 6 movie soundboard.
You can hear this line at 00:06:02 in the Blu-ray version of the movie.
Quote context
[...]
- Are you guys okay? Tell me you're okay.
- Oh, good. Then what were you two knuckleheads thinking?
- For 10 years, I have done the best I could to raise you.
- Do I know anything about children? No.
- Should I have picked up a book on parenting? Probably!
- Where was I going with this? I had a point.
- Sorry. We love you, Aunt Cass.
[...]