Who said "I have preserved the essence of my life in my work."?

This quote is attributed to Mary Shelley.

I have preserved the essence of my life in my work. - Mary Shelley

"I have preserved the essence of my life in my work."

Mary Shelley

Novelist English 1797–1851

"Nothing is so painful to the human mind as a great and sudden change."

"Beware; for I am fearless, and therefore powerful."

"Life and death appeared to me ideal bounds, which I should first break through."

"I have crossed oceans of time to find you."