Well, as you say, old habits die hard.
4 seconds sound clip from the Psycho (1960) movie soundboard.
You can hear this line at 01:06:58 in the Blu-ray version of the movie.
Quote context
[...]
- I shouldn't even bother changing the sheets, but old habits die hard.
- Yeah.
- Well, as you say, old habits die hard.
- It's possible, this girl could've registered under another name. Do you mind if I look at your book?
- No.
- All right. I'll get the date somewhere.
- Let's see now, I have a sample of her handwriting here.
[...]