Who said "True strength is protecting those you care about."?

This quote is attributed to Knuckles.

True strength is protecting those you care about. - Knuckles

"True strength is protecting those you care about."

Knuckles Strength

"I'm the last one standing!"

"Gotta protect this Master Emerald!"

"Nobody messes with the Master Emerald while I'm around!"

"I may not be the smartest guy, but I know what's right!"

"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."