Who said "Death is but a transition to power."?

This quote is attributed to Kylo Ren.

Death is but a transition to power. - Kylo Ren

"Death is but a transition to power."

Kylo Ren Death

"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."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."