Who said "The end of the Jedi era begins now."?

This quote is attributed to Palpatine.

The end of the Jedi era begins now. - Palpatine

"The end of the Jedi era begins now."

Palpatine Change

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

"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!"

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."