Q.1
"One man with a head on his shoulders is worth a dozen without."

Q.2
"I have persecuted its native inhabitants beyond all reason. Whether gentle or simple, I have cruelly oppressed them."

Q.3
"Lord Chancellor, did I deliver the speech well?" (“Very well indeed, sir.”) "I am glad of that, for there was nothing in it."

Q.4
"In my end is my beginning."

Q.5
"My words are my own, and my actions are my ministers'."

Q.6
"A horse! A horse! My kingdom for a horse!"

Q.7
"It came wi' a lass, and it will gang wi' a lass."

(This is a Scottish king!)

Q.8
"Never make a defence or apology before you be accused."

Q.9
"Will no one rid me of this turbulent priest?"

Q.10
(...And who was he or she talking about?)

Clue: His first name was Thomas