Korben Dallas: Finger, I was just on my way over to see you, when this big fare fell in my lap. You know, one of these really big fares that you just can't resist?
Finger: Ah. How big?
Korben Dallas: 5"9', blue eyes, long legs, great skin. You know, perfect.
Finger: Uh-hu, I see. And this perfect fare, she got a name?
Korben Dallas: Yeah. Leeloo.
Right after they "create" Leeloo and she is lying in the plastic cage with the little straps on her, the guy approaches her and says, "if you want out, you are going to have to work on your communication skills." She gives him a dirty look, and then you can see a huge hole, pre-cut in the glass, that she busts her hand through.
When the priest states that he has a theory on the advancing planet near the beginning of the film, the president tells him that he has '20 seconds.' Cornelius gives his theory - which takes exactly 20 seconds.