“There comes a time when we can no longer tell the invaders from the invaded. That is what we call "War.”

“I end up saving the world, just to save you”

“The Killer instinct is not perceived by words, but by look.”

“Despair... It hides away propagates, expands, and finally explodes”

“Fear beyond rational limits forces people to cling to normality”

“The best evidence that time travel is impossible is the fact that we haven't been invaded by hordes of tourists from the future.”

“We'd thought that we were among the first humans to invade this basin, but humans had invaded everything, everywhere. They didn't have to walk into a place to invade it.”