(turret) Core's and turret's of every stage,
wouldn't you like to escape this cage?
(grey turret) Come to us and you'll be sure,
you're not safe in Aperture.
(turret) This is Aperture,
this is Aperture,
test subjects die once there in sight.
This is Aperture,
everybody hit the floor,
take a seat 'till the neurotoxin makes you die.
(grey turret) Its not safe,
we are sure,
you're not safe in Aperture...
(Wheatley) i am the one thats keeping you alive,
'cuz, you know its bloody hard to survive
(GLaDOS) i am the one who wants to test,
maybe in the end i'll let you rest.
(turret) this is Aperture,
this is Aperture,
Aperture,
Apertu