Who said "Sentimentality is the death of progress."?

This quote is attributed to Palpatine.

Sentimentality is the death of progress. - Palpatine

"Sentimentality is the death of progress."

Palpatine Creativity

"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!"

"When life gives you lemons, make something beautiful."

"Creativity knows no bounds."

"Creativity is the expression of the soul."

"I'm making this up as I go."