Who said "Never let anyone tell you that you can't do something."?

This quote is attributed to Timmy.

Never let anyone tell you that you can't do something. - Timmy

"Never let anyone tell you that you can't do something."

Timmy Motivation

"Timmy!"

"Timmy timmy timmy!"

"Timmeh!"

"Timmy loves his friends."

"I believe in working hard for what you want."

"Never underestimate the power of determination."

"I don't need a reason to fight."

"The most important thing is the mission. Nothing else matters."