Villain: 

"I've seen things you people wouldn't believe. Attack ships on fire off the shoulder of Orion. I watched C-beams glitter in the dark near the Tannhäuser Gate. All those moments will be lost in time, like tears... in rain." 

"Memory’s so treacherous. One moment you’re lost in a carnival of delights, with poignant childhood aromas, the flashing neon of puberty, all that sentimental candy-floss ...

The next, it leads you somewhere you don’t want to go...

...somewhere dark and cold, filled with the damp, ambiguous shapes of things you’d hoped were forgotten..

Memories can be vile, repulsive little brutes. Like children, I suppose. HAHA.

But can we live without them? Memories are what our reason is based upon. If we cannot face them, we deny reason itself!

Although why not? We aren’t contractually tied down to rationality!

There is no sanity clause!

So when you find yourself locked onto an unpleasant train of thought, heading for the places in your past where the screaming is unbearable, remember there’s always madness!

Madness is the emergency exit...

You can just step outside, and close the door on all those dreadful things that happened. You can lock them away... FOREVER."

Supporting Character: 

"You don’t know about real loss, because that only occurs when you love something more than you love yourself. I doubt you’ve ever dared to love anybody that much. I look at you; I don’t see an intelligent, confident man; I see a cocky, scared shitless kid. But you’re a genius, Will. No one denies that. No one could possibly understand the depths of you. But you presume to know everything about me because you saw a painting of mine and you ripped my fuckin’ life apart. You’re an orphan right? Do you think I’d know the first thing about how hard ! your life has been, how you feel, who you are because I read Oliver Twist? Does that encapsulate you? Personally, I don’t give a shit about all that, because you know what? I can’t learn anything from you I can’t read in some fuckin’ book. Unless you wanna talk about you, who you are. And I’m fascinated. I’m in. But you don’t wanna do that, do you, sport? You’re terrified of what you might say. Your move, chief."

Or anything else! If it shows you can convey emotion well, or even just shows off your unique voice - let me hear it!