Who said "I have transcended the petty concerns of mortality."?

This quote is attributed to Ebony Maw.

I have transcended the petty concerns of mortality. - Ebony Maw

"I have transcended the petty concerns of mortality."

Ebony Maw Death

"I am Ebony Maw, and I have come to collect the stone you guard."

"The universe requires correction, and we shall provide it."

"Your resistance is but a whisper against the storm we bring."

"Knowledge of one's purpose is the greatest gift."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."