Who said "I try to shield myself from misery by being virtuous."?

This quote is attributed to Mary Shelley.

I try to shield myself from misery by being virtuous. - Mary Shelley

"I try to shield myself from misery by being virtuous."

Mary Shelley Strength

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."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."