What's done is done, Booth.

4 seconds sound clip from the In the Line of Fire movie soundboard.

You can hear this line at 00:26:04 in the Blu-ray version of the movie.

Quote context

[...]

- Only one agent reacted to the gun fire and you were closer to Kennedy than he was.

- You must have looked up at that window, the Texas book depository, but you didn't react.

- Later at night when the demons come, do you see the rifle coming out of that window, or did you see Kennedy's head being blown apart?

- If you'd reacted to that first shot, could you got there in time to stop the big bullet? And If you had, that could've been your head that being blown apart.

- Do you wish you'd succeeded, Frank? or is life too precious?

- What's done is done, Booth.

- I have that Esquire magazine article on the tenth anniversary about you and the other agents over there that day.

- So sad how your wife left you and took your little daughter.

- And you were so forthright about your drinking problem. And the fact that you weren't easy to live with.

- I was so moved by your honesty. The world can be a cruel place to an honest man.

[...]