His greatest ambition is to shake hands with President Kennedy.

7 seconds sound clip from the American Graffiti movie soundboard.

You can hear this line at 00:41:16 in the Blu-ray version of the movie.

Quote context

[...]

- You know Mr. Beeman? He owns Hepcat Jewelers. That's his wife.

- Get out of here. That's ridiculous. That girl is young and beautiful.

- And married.

- And she was cruising 10th Street.

- You got to be thinking of someone else.

- Hey, did you know that my ex is going to become a presidential aide?

- Yeah, and it's a secret, so don't tell anybody.

- His greatest ambition is to shake hands with President Kennedy.

- How do you suppose you're gonna do that, wishy-washy, at JC?

- Well, maybe I've grown up. Maybe I changed my mind.

- I doubt it.

- Maybe you don't think you can do it.

- Maybe you ought to shut up.

- Maybe I ought to. But I won't.

[...]