Who said "The key to perseverance is never giving up."?

This quote is attributed to Phyllis Vance.

The key to perseverance is never giving up. - Phyllis Vance

"The key to perseverance is never giving up."

Phyllis Vance Perseverance

"I'm not superstitious, but I am a little stitious."

"As a receptionist, I am the face of this company. People judge Dunder Mifflin by me."

"Bob Vance, Vance Refrigeration."

"I'm not one to gossip, but..."

"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."