Cortana

"Do not be afraid. I am peace; I am salvation." -Said on Floodgate.
"I am a timeless chorus. Join your voice with mine, and sing victory everlasting." -Said on Floodgate.
"Do not shoot, butlisten! Let us lead you safely... to our foe. Only you can halt... what he has set in motion." -Said through two Tank Forms on The Covenant (referring to the activation of the Halo Array).
"Liesfor the weak! Beacons for the deluded!" -Said through the infected Prophet of Truth on The Covenant.
"You will be food; nothing more..." -Said on The Covenant through the Prophet of Truth."Now the gate has been unlatched, headstones pushed aside; corpses shift and offer room, a fate you must abide!" -Said on The Covenant.
"Child of my enemy, why have you come? I offer noforgiveness, a father's sins, passed to his son." -Said on Cortana.
"Of course, you came for her. We exist together now, two corpses in one grave." -Said on Cortana.
"And yet, perhaps a part of herremains..."-Said on Cortana.
"Time... has taught me patience! But basking in new freedom, I will know all that I possess!" -Said on Cortana.
"Submit! End her torment and my own!" -Said onCortana.
"You will show me what she hides! Or I shall feast upon your BONES!" -Said on Cortana.
"(Flood Roar) Now... at last, I see.... Her secret is revealed!!" -Said on Cortana (referring tothe Index that Cortana possesses).
"Did you think me defeated?!" -Said on Halo.
"I have beaten fleets of thousands! Consumed a galaxy of flesh and mind and bone!" -Said on Halo.
"Do Itake life or give it? Who is victim, and who is foe?" -Said on Halo.
"Resignation is my virtue; like water I ebb, and flow. Defeat is simply the addition of time to a sentence I never deserved...but you imposed." -Said on Halo.
"From end to end of this galaxy, most are blinded!" -Speaking through a Combat Form on Halo.
"No skill." -Speaking through a Combat Form. IWHBYD skull...