Who said "Kindness costs nothing, but it's worth everything."?

This quote is attributed to Sonic the Hedgehog.

Kindness costs nothing, but it's worth everything. - Sonic the Hedgehog

"Kindness costs nothing, but it's worth everything."

Sonic the Hedgehog Kindness

"Gotta go fast!"

"I'm outta here!"

"No time for this!"

"You're too slow!"

"A good man treats his wife with respect."

"Kindness always comes back around."

"The power of a smile can change everything."

"Kindness is weakness to some. Not to me."