Don't interfere!" The Doctor silenced her angrily. "I cannot will my own destruction.
Death
The Brigadier had no wish to shake hands with the improbable young man in the ridiculous frock-coat.
Humour
Mawdryn stared at the Brigadier with such a look of pain and longing. For a moment the old soldier's mind went back thirty-five years to his first taste of action as a young lieutenant in Palestine, with his platoon badly shot up by terrorists, and he remembered the mangled conscript who screamed at the officer to take his rifle and kill him.
War