Who said "Groot knows death is part of growth"?

This quote is attributed to Groot.

Groot knows death is part of growth - Groot

"Groot knows death is part of growth"

Groot Death

"I am Groot."

"We are Groot."

"I am Groot."

"Groot, groot, groot."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."