Who said "The fear of loss is the path to the dark side."?

This quote is attributed to Palpatine.

The fear of loss is the path to the dark side. - Palpatine

"The fear of loss is the path to the dark side."

Palpatine Fear

"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!"

"Face your fears with courage."

"You can't live your life in fear."

"Snakes. Why'd it have to be snakes?"

"Fear is just another obstacle to overcome."