Who said "Did you ever hear the tragedy of Darth Plagueis the Wise?"?

This quote is attributed to Palpatine.

Did you ever hear the tragedy of Darth Plagueis the Wise? - Palpatine

"Did you ever hear the tragedy of Darth Plagueis the Wise?"

Palpatine Knowledge

"The dark side of the Force is a pathway to many abilities some consider to be unnatural."

"Have you ever heard of the tragedy of Darth Plagueis? I thought not."

"Unlimited power!"

"The Jedi are traitors to the Republic, and you must do what you must do, Lord Vader."

"We're not just after treasure. We're preserving history."

"The mind is humanity's greatest tool."

"A tidy room reflects a tidy mind."

"You can learn a lot about a person by how they keep their space."