Who said "Groot's laughter echoes through the stars."?

This quote is attributed to Groot.

Groot's laughter echoes through the stars. - Groot

"Groot's laughter echoes through the stars."

Groot Humor

"I am Groot."

"We are Groot."

"I am Groot."

"Groot, groot, groot."

"Never underestimate the power of a good laugh."

"Laughter is the best medicine."

"A good laugh is the best medicine."

"Laughter is contagious and wonderful."