Fez: Kelso, you should tell Jackie where you go. That way, if she wants to do it, she can find you and do it. Boy, do I want to do it!
Kelso: Fez, the foundation of every good relationship is three words: I don't know. Where are you going? I don't know. What are you thinking about? I don't know. Who is that under you? I don't know. You see, it's bulletproof!
Jill: Why are you friends with him?
Hyde: I don't know. [starts making out with Jill and Eric appears behind them]
Eric: Hyde, what the hell? Why is she in my seat?
Hyde: I don't know. Heehee, that's a good one, Kelso!
Kelso: Fez, the foundation of every good relationship is three words: I don't know. Where are you going? I don't know. What are you thinking about? I don't know. Who is that under you? I don't know. You see, it's bulletproof!
Jill: Why are you friends with him?
Hyde: I don't know. [starts making out with Jill and Eric appears behind them]
Eric: Hyde, what the hell? Why is she in my seat?
Hyde: I don't know. Heehee, that's a good one, Kelso!
Fez : Kelso, you should tell Jackie where you go. That way, if she wants to do it, she can find you and do it. Boy, do I want to do it!
Kelso : Fez, the foundation of every good relationship is three words: I don't know. Where are you going? I don't know. What are you thinking about? I don't know. Who is that under you? I don't know. You see, it's bulletproof!
Jill : Why are you friends with him?
Hyde : I don't know. [starts making out with Jill and Eric appears behind them]
Eric : Hyde, what the hell? Why is she in my seat?
Hyde : I don't know. Heehee, that's a good one, Kelso!
http://www.tv-quotes.com/shows/that-70s-show/quote_33482.html