Who said "Death is simply another form of transformation."?

This quote is attributed to Loki's Tesseract.

Death is simply another form of transformation. - Loki's Tesseract

"Death is simply another form of transformation."

Loki's Tesseract Death

"I am burdened with glorious purpose."

"Kneel before your king."

"Freedom is life's great illusion."

"I will never be your slave again."

"Death doesn't scare me anymore."

"Death and I are old friends."

"Welcome to my world."

"Death is just the beginning."