Who said "I cannot go back to who I was."?

This quote is attributed to Morbius.

I cannot go back to who I was. - Morbius

"I cannot go back to who I was."

Morbius

"I am the cure to human suffering."

"My curse is my gift."

"The line between healing and harming is thinner than you think."

"I've spent my life searching for a cure, only to become the disease."