Will you stop this nonsense?
Then take the consequences!
[The Doctor throws a vial of acid at Mestor, but it hits an invisible forcefield and explodes into a cloud of smoke, leaving Mestor unharmed]
MMestor
You think I would be so vulnerable? You are an interfering fool!
I would suggest, Peri, that you wait a little before criticizing my new persona. You may well find it isn't quite as disagreeable as you think.
Whatever else happens, I am... the Doctor. Whether you like it... or not.
[The Doctor smiles at her, and Peri smiles back.]
These quotes come from Wikiquote's Doctor Who pages and are available under the Creative Commons Attribution-ShareAlike License.