Who said "I never stop trying."?

This quote is attributed to Timmy.

I never stop trying. - Timmy

"I never stop trying."

Timmy Perseverance

"Timmy!"

"Timmy timmy timmy!"

"Timmeh!"

"Timmy loves his friends."

"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."