When I said you should screw yourself, I didn't mean it literally.
Obligatory video compilations:
https://www.youtube.com/watch?v=pDxn0Xfqkgw
https://www.youtube.com/watch?v=ybJWKZB0Erk
This.
This.
This.
This too.
This is the winner.
I know this one isn't originally attributed to Arnold, but I'm still surprise it's not even mentioned:
Every line in Commando is gold.
Don't bother my friend, he's dead tired.
"Allow me to break the ice. My name is Freeze. Learn it well, for it's the chilling sound of doom!"