Who said "I've learned not to give up."?

This quote is attributed to Ross Geller.

I've learned not to give up. - Ross Geller

"I've learned not to give up."

Ross Geller Perseverance

"We were on a break!"

"Could I BE any more of a paleontologist?"

"Science rules!"

"I'm not great at the advice. Can I interest you in a sarcastic comment?"

"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."