You know, the Master's death scene got to me. Not because the Master was dying (in my opinion, for the sake of the universe good riddance to the man), but because of the way the Doctor reacted: He was so lonely that he was willing to forgive his mortal enemy just so he wouldn't be alone. Anyway, I'm not sure I've got the Tenth Doctor's voice down (I've got a better handle on Eleven) so if this isn't right please forgive me. Also, I've only seen the new series; I know nothing of the characterizations of the Masters from the classic, only that they were all large hams. I own nothing.
You knew what I had to say, and you wouldn't listen because the truth burned you. You knew what I would say if you ever let me speak so you always drowned me out, shouting, waving your arms around and all that, that… stuff you do when you're nervous.
The words you heard over the beating of the drums terrified you more than anything. You ran from them like I knew you would, and still I kept whispering it to your mind. I knew you couldn't help but hear it.
And now, Master? Now you're running away from me and my words and you've found a way to do that. Are you really that desperate? You're going to die just so you don't have to face it? Yeah, I think you are. You've always been like that; even when we were kids, I remember.
I forgive you. I forgive you. I know you can hear me saying it; I can see it in your eyes.
You're running away now. Usually it's me who does the running but it's you now. How do you run. This hasn't got anything to do with being stuck on the TARDIS with me for the rest of your life and we both know it. If I hated you you'd be content; you might even enjoy it.
The words are just that terrible, aren't they? You can't stand to face me knowing I forgive you. You're ashamed of how lonely I am and you, you could never stand to be forgiven. Still burns.
I forgive you. Over the sound of the drums I forgive you.
That's why you're dead in my arms. That's why I'm screaming.