The usefulness of a cup is in its emptiness. I'm quoting him.
4 seconds sound clip from Longstreet (1971) - The Way Of The Intercepting Fist sitcom.
You can hear this line at 00:07:46.366 in the Blu-ray version of the TV Series.
Quote context
[...]
- I'll ask you to describe us. How will you do that?
- How do you want me to do it?
- Do I have to mention the 1,000 bucks?
- Somehow I don't worry about that part.
- Did Li Tsung say why he wouldn't teach me?
- The usefulness of a cup is in its emptiness. I'm quoting him.
- I think it sounds more like something you'd say, Nicky.
- It helped the bruises, but I got frostbite.
- Li, I want you to teach me what you did the other night.
- I already told Miss Bell I can't.
- I'm willing to empty my cup in order to taste your tea.
[...]