Quotes: Super Toughness

"Weighing in at 39 kilograms, the Widow Anti-Material Rifle is primarily used by sniper teams in assault missions against armored vehicles or krogan."
— description of the M-98 Widow sniper rifle, Mass Effect 2

Cdr. Shepard: The Normandy was destroyed. I ended up spaced.
Urdnot Wrex: Well, you look good. Ah, the benefits of a redundant nervous system, eh?
Shepard: Yeah, humans don't have those.
Wrex: Oh. That must have been very painful for you, then.