name that quote

A couple might be hard to guess the films or they all might be too easy for you guys only time will tell

1. the greatiest trick the devil ever pulled was convincing the world he didnt exist.

2. I see you now bit*ch

3. i will have my vengance in this life or the next
(easy one)

4. I love you mommy can i come back home when im a real boy.

5. "I do what i do best i take scores you do what you do best try to stop guys like me"

6. is their a code a way of knocking so he knows its you

1. the cripple(i cant remember his name) Usual Suspects
thats all i got now

thats correct kevin spacy

ok 4,5,and 6 are easy

4. that would be Haley Jo Osman(sp) in AI
5. would be Rob De Nero in Heat
6. would be some random extra in the professional talking to Matilda (Natalie Portman)(sp)

2, and 3 sound familiar

thats good i cant believe you knew 6 was leon

I can't believe no one got number 3 yet (for verily, it is easy). Maximus says it to Caesar in "Gladiator".

Also: September Rain, the character's name in "The Usual Suspects" who says that line is Verbal Kint.

And: Iron Falcon, it's Haley Joel Osment.