Who said "I understand pain. I've lived in it."?

This quote is attributed to Echo.

I understand pain. I've lived in it. - Echo

"I understand pain. I've lived in it."

Echo

"I can hear everything. Which means I hear a lot of noise."

"Pizza dog understands me better than most people ever will."

"Being deaf isn't a disability. It's just a different way of being in the world."

"I've learned that silence can be louder than any sound."