Who said "The First Order will rule forever."?

This quote is attributed to Kylo Ren.

The First Order will rule forever. - Kylo Ren

"The First Order will rule forever."

Kylo Ren Leadership

"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."

"A leader must be fair and just."

"Integrity is everything."

"One must take responsibility for one's environment."

"In this house, I make the decisions"