You must have the constitution of an ox.

4 seconds sound clip from the The Shootist movie soundboard.

You can hear this line at 00:07:14.943 in the DVD version of the movie.

Quote context

[...]

- You remembered.

- The newspapers occasionally remind me.

- What was it, 15 years ago?

- The only time I was ever hit right here at the Acme Saloon.

- You killed two men.

- I'm damn lucky you were around, Doc.

- That second one nearly did me in, coming out of nowhere like that.

- You must have the constitution of an ox.

- Well, we'll see. That's what I'm here for.

- About 10 days ago in Creede, Colorado, I hadn't been feeling up to snuff, so I went to see a sawbones there.

- Well, the next day I got on my horse, and took off to find you.

- And what did my colleague in Creede say?

[...]