Who said "Strength isn't physical—it's in the heart and soul."?

This quote is attributed to Timmy.

Strength isn't physical—it's in the heart and soul. - Timmy

"Strength isn't physical—it's in the heart and soul."

Timmy Strength

"Timmy!"

"Timmy timmy timmy!"

"Timmeh!"

"Timmy loves his friends."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."