It's disgraceful. You're old enough to be her fa... Her grandfather.
6 seconds sound clip from the Indiana Jones and the Last Crusade movie soundboard.
You can hear this line at 01:13:44 in the Blu-ray version of the movie.
Quote context
[...]
- You know, sharing your adventures is an interesting experience.
- It's disgraceful. You're old enough to be her fa... Her grandfather.
- Well, I'm as human as the next man.
- Of course. Well... Ships that pass in the night.
- Do you remember the last time we had a quiet drink? I had a milkshake.
- What did we talk about? We didn't talk. We never talked.
[...]