- You ought to be home, on account of your brother.
- Who says so?
- You said so. On account of you're going away somewhere, don't you remember?

5 seconds sound clip from the The Lost Weekend (1945) movie soundboard.

You can hear this line at 00:19:42.164 in the Blu-ray version of the movie.

Quote context

[...]

- He wants to be alone with that bottle of his. It's all he gives a hang about.

- Why kid ourselves? He's a hopeless alcoholic.

- The cloud-capp'd towers, the gorgeous palaces. Nat! The solemn temples, the great globe itself...

- Mr. Birnam, you ought to go home. It's late.

- Yea, all which it inherit shall dissolve...

- You ought to be home, on account of your brother.

- Who says so?

- You said so. On account of you're going away somewhere, don't you remember?

- What time is it?

- Ten past six.

- Well, why didn't you tell me?

- What do you think I've been doing for a half an hour?

- Hey, hey, your change!

- Taxi! Taxi!

- I'll give you a lift as far as Grand Central.

- No thanks. I'm gonna wait here.

[...]