Who said "Perseverance is doing what matters even when it's hard."?

This quote is attributed to Timmy.

Perseverance is doing what matters even when it's hard. - Timmy

"Perseverance is doing what matters even when it's hard."

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."