Who said "We all have work to do on ourselves."?

This quote is attributed to PC Principal.

We all have work to do on ourselves. - PC Principal

"We all have work to do on ourselves."

PC Principal Perseverance

"Okay, okay, okay. Let's all take a deep breath and think about this from a place of cultural sensitivity."

"That is NOT okay!"

"I'm gonna need you to check your privilege right now."

"We need to have a dialogue about this."

"Perseverance is the key to success."

"Don't give up on what you believe in."

"I've been through worse."

"You learn to live with the pain."