After John finds out the terminator does whatever he says he asks him to stand on one leg. The scene follows with him standing on one leg whilst talking to some guys, until John quietly says "Put your leg down" out of the corner of his mouth.
Seconded. He says it like such a mom to the tall robotic assassin.
As Sarah is breaking out of the hospital, the guards try to reason with her and insist she's not a killer. Sarah snaps back they as far as she's concerned they're all dead anyway and they know how strongly she believes it, "so don't fuck with me!"
When they break into Cyberdyne:
John: We got company. Dyson: Police? Sarah: How many? John: 'bout all of 'em, I think.
John needs money:
John: (in a phone booth) You got a quarter? T-800: (smashes bottom of payphone, quarters fall out)
He follows it up by handing John just one given that's all he asked for.
When the Connors are planning to flee to Mexico. The Terminator sees a baby, then picks it up and looks at it like he has no idea what it is.