Who said "The old republic was weak."?

This quote is attributed to Kylo Ren.

The old republic was weak. - Kylo Ren

"The old republic was weak."

Kylo Ren Change

"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."

"Change brings new opportunities."

"Every day is a new opportunity."

"Healing doesn't mean forgetting."

"You either get better or you get bitter."