"Eat your vegetables, and brush after every meal!" (Said in reverse)

"Not even death can save you from me!"
"Ugh...the smell of life surrounds me!" (removed)

"Even in the heart of Heaven, angels can still feel fear." (spoken through Leah his daughter)
"Our long war ends today, Imperius!"
"Take one last look at your shining Heaven Imperius. For soon, nothing of it shall remain but my laughter." (before destroying the Diamond Gate with a roar)
"Gaze upon the destruction I have wrought. It'll be the last thing you see. Iskatu, destroy the nephalem!"
"Every moment I delay you, I draw closer to my ultimate victory!"
"Rakanoth, do not fail me, or your fate will be the same as Iskatu's and my brothers'!"
"My armies flow through the hell rifts. Heaven will be destroyed long before you set one foot into the Silver Spire!"
"Look upon these gardens, now they seethe with the corruption of Hell!" (upon revealing the first hell rift)
"Where is Tyrael? Fallen. Broken. He knows the truth now; I will be victorious."
"So, you approach the Oculus with the aim to destroy it? You will not succeed!"
"If you destroy the Oculus, my hell rift will consume you!"
"You think to destroy the rift Oculus? My fiends will tear you apart!"
"That is not the only hell rift. The flow of my legions will not stop."
"I draw closer to victory, Nephalem. You are too late, just as you always have been!" (upon revealing the second hell rift)
"The hell rifts are closed, but it is of no matter. Soon there will be nothing left of these High Heavens. All creation will be the Realm of Terror!"
"Look, Tyrael - your old lieutenant."
"Look beneath you and see the ruin of Heaven."
"The seven Evils are one within me! I am Legion!" (as the final battle begins)
"Enough! Let us see how you fare in my Realm of Terror."
"Only by defeating us can you return to your own realm, but none have ever crawled from the depths of their own terror!"
"You shall never wake from this nightmare." (in combat in the Realm of Terror)
"How tastes your fear, Nephalem?" (in combat in the Realm of Terror)
"You cannot defeat your own terror!" (in combat in the Realm of Terror)
"Can you feel your death approaching?!" (in combat in the Realm of Terror)
"Your Nephalem power will not help you in this realm, mortal!" (in combat in the Realm of Terror)
"How does it feel, knowing you have failed those who depended on you?" (in combat in the Realm of Terror)
"NO! This wretched light must be eradicated!"
"All that you have known - all that you have ever loved - shall die along with you, Nephalem!