Who said "The dark side is the only path to true power."?

This quote is attributed to Kylo Ren.

The dark side is the only path to true power. - Kylo Ren

"The dark side is the only path to true power."

Kylo Ren Power

"I feel it again... the pull to the light."

"Supreme Leader Snoke believes you are the future, but you continue to fail."

"Forgive me. I feel it again, the pull to the light."

"Show me again. The power of the darkness."

"Power without control is just destruction."

"Power is not about control, it's about influence"

"The world doesn't need me to be the hero. It just needs me to be dangerous."

"The claws come out when I need them to."