"That means Sir Isaac Newton is the deadliest son-of-a-bitch in space!"
— Unnamed Gunnery Chief, Mass Effect 2.
"Basic physics. High mass plus high velocity equals ouch."
— Norigom, Red Fire, Red Planet
"GUNS kill, leave big open holes in you that are like sores but WORSE."
— Dr Borous, ''Fallout: New Vegas Old World Blues"
"An object impacting at 3 km/s delivers kinetic energy equal to its mass in TNT."
— Motto of the US Navy Railgun project