I know what you can do when you put your mind to it.

4 seconds sound clip from the Patton (1970) movie soundboard.

You can hear this line at 01:15:40 in the Blu-ray version of the movie.

Quote context

[...]

- I don't think we can make the linkup by the 11th.

- Hell, it's only 15-20 miles.

- General, my boys have been fighting and dying for yards.

- Mm-hmm. Maybe you better kick a few butts if you have to.

- Lucian, I recommended you for your D.S.M. and your last promotion.

- I know what you can do when you put your mind to it.

- Excuse me, sir. I'm sorry, but I can't do the impossible.

- Well, you're too old an athlete to think that you can postpone a match that's already been scheduled.

- You're an old athlete yourself, sir. You know matches sometimes are postponed.

- If Lucian's right and we can't back him up by land, our end run could be a disaster.

[...]