Michael: [in awe] Elliott.
Elliott: I'm keeping him.
Gertie: What is it?
Elliott: He won't hurt you, Gertie. He won't hurt you, Gertie. He's not gonna hurt you.
Gertie: Is he a boy or a girl?
Elliott: He's a boy.
Gertie: Was he wearing any clothes?
Elliott: No. But look. You can't tell, not even Mom.
Gertie: Why not?
Elliott: Because, um, grown-ups can't see him. Only little kids can see him.
Gertie: [snapping back] Give me a break.
Elliott: [imitating Dracula] Well, do you know what's going to happen if you do tell? [to Gertie] ...you promise?
[E.T. watches intently]
Gertie: Yes.
Elliott: [to Michael] Do you promise? [his brother nods]
Elliott: I'm keeping him.
Gertie: What is it?
Elliott: He won't hurt you, Gertie. He won't hurt you, Gertie. He's not gonna hurt you.
Gertie: Is he a boy or a girl?
Elliott: He's a boy.
Gertie: Was he wearing any clothes?
Elliott: No. But look. You can't tell, not even Mom.
Gertie: Why not?
Elliott: Because, um, grown-ups can't see him. Only little kids can see him.
Gertie: [snapping back] Give me a break.
Elliott: [imitating Dracula] Well, do you know what's going to happen if you do tell? [to Gertie] ...you promise?
[E.T. watches intently]
Gertie: Yes.
Elliott: [to Michael] Do you promise? [his brother nods]
Michael : [in awe] Elliott.
Elliott : I'm keeping him.
Gertie : What is it?
Elliott : He won't hurt you, Gertie. He won't hurt you, Gertie. He's not gonna hurt you.
Gertie : Is he a boy or a girl?
Elliott : He's a boy.
Gertie : Was he wearing any clothes?
Elliott : No. But look. You can't tell, not even Mom.
Gertie : Why not?
Elliott : Because, um, grown-ups can't see him. Only little kids can see him.
Gertie : [snapping back] Give me a break.
Elliott : [imitating Dracula] Well, do you know what's going to happen if you do tell? [to Gertie] ...you promise?
[E.T. watches intently]
Gertie : Yes.
Elliott : [to Michael] Do you promise? [his brother nods]
http://www.moviequotedb.com/movies/et-the-extra-terrestrial/quote_28995.html