Who said "I have nothing to prove to you."?

This quote is attributed to Drax.

I have nothing to prove to you. - Drax

"I have nothing to prove to you."

Drax

"I am Groot."

"Nothing goes over my head. My reflexes are too fast. I would catch it."

"I live for the simple things. Like how much this is going to hurt."

"Do you know what it's like to live every second of the day with the feeling that you're about to cry?"