Who said "Groot's heart is as big as his branches."?

This quote is attributed to Groot.

Groot's heart is as big as his branches. - Groot

"Groot's heart is as big as his branches."

Groot Kindness

"I am Groot."

"We are Groot."

"I am Groot."

"Groot, groot, groot."

"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."