Who said "I never give up. That is what separates me from the weak."?

This quote is attributed to Dwight Schrute.

I never give up. That is what separates me from the weak. - Dwight Schrute

"I never give up. That is what separates me from the weak."

Dwight Schrute Perseverance

"I am running away from my responsibilities. And it feels good."

"Fact: Bears eat beets. Bears, beets, Battlestar Galactica."

"When you realize you want to spend the rest of your life with somebody, you want the rest of your life to start as soon as possible."

"I am Beyoncé, always."

"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."